Answer:
def isrreverse(str1, str2):
return str1 == str2[::-1]
Explanation:
what feature allows a firewall to permit traffic to flow from a trusted network (for example, a corporate intranet) to an untrusted network (for example, the internet) and then allow return traffic for that session, while blocking sessions initiated on the untrusted network?
A firewall is a security tool, either computer hardware or software, that can assist safeguard your network by filtering traffic and preventing unwanted access to the sensitive information on your computer by outsiders.
It entails running software on a host in order to defend against attacks that have been thoroughly documented?Firewalls based on hosts
It is a piece of software—or a group of software—that is included with the operating system. Each host is shielded from assaults and unauthorized access by a host firewall.
Different Forms of Network Security Measures
Firewall. Network traffic is managed by firewalls using pre-established security rules. Network segmentation, remote access VPN, email security, data loss prevention (DLP), intrusion prevention systems (IPS), sandboxing, and hyperscale network security are a few examples of network security measures.
Which of the following is another name for a firewall that performs router functions? A sacrificial host is a firewall that provides protection behind the organization's router. Another name for a sacrificial host is a bastion host.
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if they run the tool again (but still with the destination ip address for code.org), in what way could the next packet's path be different? ????️note that there may be multiple answers to this question.
Answer:
Explanation:
stay the same
move
What is output by the following line of code? print(5*2 + 9)
The output of the given line of code is 19.
What is a Computer Code?This refers to the sequence of instructions that are given to a computer system in order to perform an action or execute a task.
Hence, we can see that the given computer code tells the computer to print the value of the mathematical operation 5 * 2 + 9 which would be given down below.
Using the BODMAS/PEMDAS rule,
5 * 2= 10
Then 10 + 9 = 19.
This is what the output of the computer code would be as the print function would be executed.
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given two integers as user inputs that represent the number of drinks to buy and the number of bottles to restock, create a vending machine object that performs the following operations: purchases input number of drinks restocks input number of bottles reports inventory
A vending machine object that performs the following operations: purchases input number of drinks restocks input number of bottles reports inventory is given below
The Programpublic boolean removeItemType(int index)
{
if (index < 0)
{
return false;
}
else
itemCount = index;
index--;
return true;
}
public boolean reStock(int which, int qty)
{
if (index < 0)
{
return false;
}
else
return true;
}
public class ItemType
{
private String name;
private double price;
private int quantity;
public ItemType(String n, int p)
{
this.quantity = 0;
this.name = n;
if (p <= 0){
this.price = 5;
}
else{
this.price = p;
}
}
public String getName()
{
return this.name;
}
public int getPrice()
{
return (int) this.price;
}
public int getQuantity()
{
return this.quantity;
}
public int addQuantity(int n)
{
if (quantity <0) {
return -9999;
}
else{
if (quantity + n <= 10)
quantity += n;
return quantity;
}
}
public int getItem()
{
if (quantity < 1){
return -9999;
}
else
this.quantity --;
return quantity;
}
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a level 1 security system is used to protect against unauthorized access. group of answer choices a. users' workstations b. back-end systems c. internal database servers d. front-end servers
Option D is correct. A software firewall is a software program that you install on your computer that protects your computer from unauthorized incoming and outgoing data.
A software firewall only protects the computer on which it is installed. Additionally, many antivirus scanners include a software firewall. Unauthorized use of computer data for personal gain. B. Transfer funds from someone else's account or debit purchases from someone else's account. Monitor and record keystrokes. It can be a software device or a hardware device. Network traffic capture and recording. "Unauthorized Access" means accessing, breaking into, communicating with, storing data, obtaining data, or otherwise intercepting and modifying computer resources without consent. These laws pertain to these and other actions that disrupt computers, systems, programs, or networks.
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you have an azure subscription that includes a network security group named nsg1. you plan to add an inbound security rule named rule1 to nsg1. you need to configure a priority for rule1. rule1 must have the highest priority for inbound security rules in nsg1. which priority should you configure for rule1?
From the information given about Azure, you need to set the configuration for rule 1 to the highest priority for inbound security rules in NSG1.
What is Azure?Microsoft Azure, sometimes known as Azure, is a cloud computing service provided by Microsoft that allows for application administration through Microsoft-managed data centers.
Microsoft Azure (previously Windows Azure) is the company's public cloud computing platform. It offers a wide range of cloud services, such as computation, analytics, storage, and networking.
It enables you to access and manage Microsoft cloud services and resources. These services and tools include storing and converting your data according to your needs.
The Azure Firewall has three different types of rules.
NAT RegulationsNetwork Regulations.Application Guidelines.Your security group's incoming rule must allow traffic on all ports. This is required because the destination port number of any inbound return packets is set to a randomly assigned port number.
To establish an inbound security rule in Azure, follow these steps.
Choose a new network security group.From the left menu, choose Inbound security rules, then Add.You can restrict the Source and Source port ranges as desired, or leave them as is.You can specify a specific destination or leave the default of Any.Learn more about Azure:
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what is a ledger? multiple choice records classified and summarized transactional data processes and manages algorithms across many machines in a computing environment simply means unchangeable a type of distributed ledger, consisting of blocks of data
A ledger is an accounting book or group of books where account transactions are noted.
A ledger is an accounting book or group of books where account transactions are noted. Each account has a beginning or carry-forward balance, as well as the ending or closing balance, and would record each transaction as either a debit or credit in distinct columns.
All amounts entered in supporting journals, which identify specific transactions by date, are permanently summarized in the ledger. Every transaction originates in a journal and ends up in one or more ledgers. The summary totals in the ledgers are used to create a company's financial statements.
The general, debtors, and creditors ledgers are the three different categories. Information from journals is accumulated in the general ledger. The General Ledger is updated each month with the sum of all journals. Therefore, the General Ledger's function is to compile and organize each transaction mentioned in each journal. The sales journal feeds data into the Debtors Ledger. The Debtors Ledger's function is to reveal which clients and how much money they owe the company. The purchasing journal feeds data into the creditors ledger. The Creditors Ledger's function is to reveal which suppliers the company owes money to and how much.
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write a java program using switch that determine if the employee will not be allowed to attend the class if his/her attendance is less than 80% and you will ask your user to input:
a. How many classes were held?
b. Attendance at classes
c. Display the percentage of class attended
d. Output if he/she allowed to attend the class or not
import java.util.Scanner;
class check_st {
public static void main(String[] args) {
Scanner f = new Scanner(System.in);
double x,y,d;
System.out.println("How many classes were held?: ");
x = f.nextInt();
System.out.println("Attendance in class: ");
y = f.nextInt();
d = (y/x)*100.0;
float k = (float) Math.round(d * 100) / 100;
System.out.println("The percentage of class attended: %"+k);
int m = (k<80.0) ? 0 : 1;
switch(m)
case 0:
System.out.println("Failed the course!");
break;
case 1:
System.out.println("Passed the course!");
break;
default:
;;
}
}
Which of the following is the most likely disadvantage caused by the inability to access the internet?
A. inability to access educational and other resources
B. inability to communicate with business partners
C. inability to apply for jobs that use online recruitment
D. inability to relate to others in a social network
The one that is the disadvantage caused by the inability to access the internet is inability to relate to others in a social network. The correct option is D.
What is social networks?The use of world wide web social media sites to stay connected with family and friends, community, colleagues, or customers is referred to as social networking.
Through all the sites, online communication can serve a social, business, or both purposes.
The disadvantage caused by a lack of internet access is the inability to interact with others in a social network.
Thus, the correct option is D.
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tonya needs to buy a new laptop. she compares models from apple, dell, and hewlett-packard on criteria such as processor speed, memory, screen size, and price. what type of consumer product does this represent?
The shopping product is the second category of consumer goods. Shopping products are those that a client typically compares while picking and buying based on factors like quality, price, and style.
The type of user and two main product categories are related in marketing. Consumer goods are goods bought by the final consumer. Business products (also known as industrial or B2B products) are things that businesses purchase to help create other goods that can be sold. A well defined target market, precise customer needs and wants, and information about what the product will be and do to meet those demands should all be included in the protocol. The protocol's shortcomings would cause issues with product development.
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what occurs when a redundant storage server offers an exact replica of the real-time data, and if the primary server crashes, the users are automatically directed to a secondary server?
Failover will occur when a redundant garage server gives a reproduction of the real-time data, and if the number one server crashes, the customers are directed to a secondary server.
Failover may be defined as returning to a redundant or standby pc server, gadget, hardware factor, or community upon the failure or strange termination of the formerly lively application, server, gadget, hardware factor, or community in a pc community. Failover can be used to protect pc structures from failure, wherein the standby gadget mechanically takes over while the principal gadget fails.
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consider a source and destination host. before packets leave the source host, the host needs to define the path over which the packets will travel to reach the destination host. false
Before packets leave the source host, the source host does not define the path over which the packets will be traveling to reach the destination host. Thus the given statement is false.
When packets are transmitted over the network from a source host to a destination host, the source host does not determine the path through which packets will travel toward the destination host from the source host. Instead, it is the router that defines the best path and directs the packets from the source host to the destination host.
What is a router?
A router is a network layer device that determines the optimal path along which packets are forwarded over the network. Based on network layer information, routers forward packets from one network to the other network.
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An image that looks pixelated is one with:
Question 10 options:
A) high resolution.
B) low resolution.
C) typical resolution.
D) rasterized resolution.
Answer:
B) low resolution.
Explanation:
Low resolution means few pixels. Then, pixels are relatively big, so you can see them.
Which of these is the lowest layer of the Internet?
Copper Cable / Fiber Cable / WiFi
HTTP/DNS
TCP/UDP
IP
Answer:
Explanation:
The physical layer is the lowest level and it consists of cables for the internet. So, the option with cables in it would be the best answers.
When computing a bootstrap confidence interval for a parameter, at least how many times should we re-sample from the original sample?.
Bootstrap - There is no definitive answer to this question, but a common rule of thumb is to resample at least 1000 times.
What is Bootstrap?
An HTML, CSS, and JS library called Bootstrap aims to make the creation of educational web pages as simple as possible (as opposed to web apps). The main goal of adding to a web project would be to apply the colour, size, font, and layout options of Bootstrap to that project. Therefore, the main determinant is whether the responsible developers like those options. All HTML components have basic style declarations once Bootstrap is introduced to a project. As a result, texts, tables, and form components appear consistently in all web browsers. In order to further personalise the appearance of their contents, developers can make use of the CSS classes defined in Bootstrap.
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you are given two sequences a and b of n numbers each, possibly containing duplicates. describe an efficient algorithm for determining if a and b contain the same set of numbers, possibly in different orders. what is the running time of this algorithm?
Given are two sequences, S1 and S2, both with n items and possibly including duplicates. Efficient algorithm would be extremely wasteful to compare two sets of sequences if they were in some random order.
"A collection of finite rules or instructions to be followed in calculations or other problem-solving procedures" is what the word algorithm signifies. Or, "A finite-step process for solving a mathematical problem that frequently uses recursive operations."
As a result, an algorithm is a set of limited procedures used to solve a certain problem. Depending on what you want to do, algorithms might range from simple to sophisticated.
By using the process of making a novel recipe as an example, it can be understood. When following a new recipe, one must read the directions and carry out each step in the correct order. The new meal is cooked to perfection as a result of this procedures.
You employ algorithms every time you use a phone, computer, laptop, or calculator. Similar to this, algorithms assist programmers in carrying out tasks to produce desired results. The developed algorithm is language-independent, meaning that it consists only of simple instructions that can be used to build it in any language and still produce the desired results.
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you have assigned a junior administrator to create a windows server 2016 failover cluster. the administrator does not have the create computer objects permission in active directory. what should you tell the junior administrator to do?
Microsoft's server operating system is Microsoft Windows Server 2016. (OS). It was created with the intention of acting as a platform for networked applications. Windows Server 2016 was created concurrently with Windows 10 and made generally available on October 12, 2016.
What capability of Windows Server 2016 tries to stop a split vote from happening?Split-brain situations, which can occur when a network is divided and portions of the nodes are unable to communicate with one another, are avoided by quorum. Due to this, both groups of nodes may attempt to control the workload and write to the same disk, which can result in a number of issues.
You can use the Cluster-Aware Updating (CAU) capability in Windows Server 2012 R2. On clustered servers, CAU automates software updating while preserving availability.
The same version of Windows Server 2016 must be used by all servers. An Active Directory domain must be joined by all servers. Hardware components must be the same across all servers.
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create a program, gpacalc.py, that takes four letter grade arguments and prints out the corresponding gpa, to two decimals. your program should work both in arguments are upper-case and lower-case.
Today's environment is highly automated, making computer programming essential. The relationship between people and machines needs to be under human control.
We utilize computer programming to harness such computational power because computers and machines can perform tasks so precisely and effectively. A computer follows a collection of instructions called a program to carry out a certain task. [computing] The size of a computer program affects the likelihood that an error may occur. A program is a group of initiatives that are managed collectively to generate scale-based efficiencies. Program management is the coordination of linked initiatives that are grouped together, just like project management involves the coordination of individual activities.
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What is the value of numC when this program is executed?
numA = 7
numB = 5
if numA== 5:
numC = 10
elif numA> numB:
numC = 20
else:
numC = 30
Answer: numC = 30
Explanation: got it right
When this program is run, the values of numA and numB are 7 and 5, respectively. The if statement must be executed if numA equals 2, which it does not. To execute the elif statement, numA must be greater than numB, which it is not. As a result of the else statement, numC = 30.
What is else if statement?Use the if statement to tell a block of code to run only if a certain condition is met. If the same condition is true, else is used to specify that a different block of code should be executed. If the first condition is false, use else if to define a new test condition. Otherwise if, as the name suggests, combines the words if and else. It is similar to else in that it extends an if statement to execute a separate command if the original if expression returns false.An if else statement in programming will execute a different set of statements depending on whether an expression is true or false.To learn more about else if, refer to:
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write a console-based application named sumdoubles that allows the user to enter any number of doubles continuously until the user enters 0.99. display the sum of the values entered, not including 0.99.
The program of console-based application will be:
public class sumdoubles {
public static void main(String[] args) {
Scanner input = new Scanner(System.in);
double num = 0.0;
double sum = 0.0;
while (num != 0.99) {
System.out.print("Enter a double value (0.99 to quit): ");
num = input.nextDouble();
if (num != 0.99)
sum += num;
}
System.out.println("Sum of values entered: " + sum);
}
}
What is console application?
A console application is a computer programme that is intended to be used through a text-only computer interface, such as a text terminal, some operating systems' command-line interface, or even the text-based interface it's included in most graphical user interface (GUI) operating systems, like the Windows Console in Microsoft Windows, the Terminal throughout macOS, and xterm in Unix.
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a company is looking to lower its total cost of ownership (tco) by moving the file system used for its business-critical, linux-based applications to a managed file system in the cloud. which service meets their needs?
Any application required for business continuity is considered a business critical application.Normal business operations for the organization cannot continue if a business-critical application fails or is stopped.
Why Linux is popular in industries and in business application?
Because Linux is so adaptable and cost-free, businesses use it to run servers, appliances, cellphones, and more. Many people agree that Linux crashes less frequently than Windows.Additionally, updating the system is simpler than having to reset it, as is necessary in a Windows environment.This translates into higher productivity and system uptime. Mission-critical application examples differ amongst industries.An automatic vehicle location (AVL) app, for instance, would be mission-critical for an ambulance firm, but if a plumbing company utilizes the same software, it might be considered significant but not vital. Business Critical Services are those that must be restored first in the case of a disaster and include the elements indicated in the descriptions of the disaster recovery services in Section 5 of Exhibits A and F, where appropriate. How heavily an enterprise depends on an application is the first essential definition of a critical application.Critical apps are by definition distributed internationally, contain large data storage, versatile processing engines, and are tightly connected with other dependent application services. Linux is open-source and free.Developers and programmers can save money on software and licenses.Users can enable Windows apps to run on Linux by using open-source software like Wine.Wine is mainly used by gamers, however the Wine database also contains a sizable variety of productivity appsDue to its lower cost, adaptability, and other various advantages, Linux has recently risen to the top position as the preferred operating system for servers.Linux is used by a huge number of successful companies to keep their operations running efficiently and with little downtime. Because Linux is open-source and has the potential for a very small OS footprint, it might end up in a variety of linked devices, including our homes, cars, and places of business.There is a good likelihood that Linux will dominate the field of high-performance computing.To learn more about business linux applications refer
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what solutions will help slow or sluggish website and page loading performance? consent mode analytics 4 gtm template libraries universal analytics server side tagging tag assistant
The solutions will help slow or sluggish website and webpage loading performance include the following:
GTM Template Libraries Server Side Tagging Universal Analytics Go-ogle Analytics 4 What is a website?A website is a collective name which connotes a series of webpages that are interconnected and linked together with the same domain name, so as to provide certain information to end users.
In Computer technology, Server Side Tagging is a solution that would help a website to improve its performance and the amount of time it takes to load. Other solutions that can help to better mitigate and reduce slow or sluggish website and webpage loading performance include the following:
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suppose that a 64-bit processor uses the following cache: 2kb block size, 16-way associativity, and total size of 32mb. determine how many bits are used for the tag, index, and block offset.
We are aware that 64 KB equals 64K words, or 2 to the power of 14 words (2 to the power of 1 word = 2 to the power of 14 blocks).
Each block has 32 bits of data, a 32-14-2 bit tag, and a valid bit. Therefore, for a 64-KB cache, the overall cache size is (2 to the power 14)*49=784 bits, or 98KB. Since there are 64 bytes per line and a cache line's size equals a main memory block's size, the block offset is 6 bits. Associative 2-way cache stores two lines as a single set. The remaining 18 bits for the tag are calculated as follows: number of sets = total cache lines/2 = (512KB/64)/2 = 212, translating to 12 bits for the set.
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your system is currently running the multi-user.target. what would you enter at the command prompt to find out whether the atd.service is configured to start every time the multi-user.target is loaded?
You would enter systemctl is-enabled atd.service at the command prompt to find out whether the atd.service is configured to start every time the multi-user.target is loaded.
What is command prompt?
Command Prompt is the primary command-line interpreter for the OS/2, eComStation, ArcaOS, Microsoft Windows (Windows NT family and Windows CE family), and ReactOS operating systems. On Windows CE.NET 4.2, Windows CE 5.0,, it is known as the Command Processor Shell. Command Prompt communicates with the user via a command-line interface. On OS/2 and Windows, for example, it is possible to use real pipes in command pipelines, allow both sides of the pipeline to operate concurrently. As a result, the standard error stream can be redirected.
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you want a security solution that protects the entire hard drive and prevents access even if the drive is moved to another system. which solution should you choose?
A smart way to keep your private information safe from prying eyes is to encrypt your hard disk. Naturally, if our careless, it could also serve to hide our info from us.
In contrast to an unencrypted computer, our data cannot be easily recovered if we forget your password. Hard-disk encryption is a method that employs complex mathematical operations to encrypt the data kept on a hard drive. Anyone without the necessary key or password cannot access the data on an encrypted hard drive. Regularly backup and save our files in several secure locations. before we see the first indicators of a failing hard drive, create an image backup. Update our anti-virus software.
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in c++ Write a program that will read in an array of 10 numbers. Have the program find the largest, the smallest, find the numbers above 0, find how many numbers = 0, or find the numbers less than 0.
Using the knowledge in computational language in C++ it is possible to write a code that have the program find the largest, the smallest, find the numbers above 0, find how many numbers = 0, or find the numbers less than 0.
Writting the code:#include<stdio.h>
main()
{
int a[10],i,sum=0;
printf("enter array\n");
for(i=0;i<10;i++)
{
scanf("%d",&a[i]);
sum=sum+a[i];
}
printf("sum of array =%d",sum);
}
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A C++ program is one that is used to create high-performance programs. A program that will read an array of 10 numbers can be created by using a chart array.
What is a program?A program is a specified set of codes that are used to run the computer. They are set instructions for the computer.
The C++ program is;
#include<stdio.h>
main()
{
int a[10],i,sum=0;
printf("enter array\n");
for(i=0;i<10;i++)
{
scanf("%d",&a[i]);
sum=sum+a[i];
}
printf("sum of array =%d",sum);
}
Therefore, a C++ program that will read an array of 10 numbers is given above.
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abu is creating a virtual machine template to enable rapid server deployment at his organization. he creates a virtual machine named vm1. on vm1, he installs windows server 2019 and names the server serverx. next, he installs server roles and features and adds third-party software. he then runs the system preparation tool.
The System preparation tool will most likely remove the computer name SERVERX
What is a system preparation tool?
System Preparation Tool also known as Sysprep is a tool by Microsoft made for the purpose of duplicating, testing and deliverying new installations for the Windows operating system based on an established installation. It is a command-line tool that can be run using a scrpt or manually.
Here's the complete question:
Abu is creating a virtual machine template to enable rapid server deployment at his organization. He creates a virtual machine named VM1. On VM1, he installs Windows Server 2019 and names the server SERVERX. Next, he installs server roles and features and adds third-party software. He then runs the System Preparation Tool.
What will this tool most likely to do?
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any computer that stores hypermedia documents and makes them available to other computers on the internet is called a . group of answer choices a. client b. server c. station d. domain
Option B is correct. A computer program or apparatus that offers a service to another computer program and its user, also known as the client, is referred to as a server.
The term "client" refers to any computer that keeps hypermedia documents and makes them accessible to other computers over the Internet. Anywhere in the world can be used to store hypermedia documents. The Advances Research Projects Agency Network is the owner of the Internet (ARPANET). The Domain Name System (DNS) protocol converts domain names to IP addresses when data is moved between networks. DNS servers are servers that run this protocol and keep a list of computer and website addresses as well as the IP addresses that go with them.
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why is it so common in internet protocols that clients speak before servers do? (in other words, what would be an important advantage of having a client speak first, or, thought differently, an important disadvantage of having a server speak first instead?)
Answer:
The client will send a request through the API with the TCP protocol, which the server then receives and delivers your request. This makes sure a connection is established. This is the standard quota for all web pages!
Explanation:
Hope this helps you out!
in this micro-assignment, you will be implementing some missing code for a class bst template provided. you must work within your linux environment. please use the project given on canvas. specifically, you will need to implement code for the following 4 functions in bst.h and make sure all existing test cases in main() have the correct outputs. the only file you need to change is bst.h.
Applications employ Linux environment variables, which are variables having a name and a corresponding value, to obtain information about the environment.
An environment in computer operating systems is a section that houses data on how particular programs and applications behave. Linux user environments make it easier to find the command you require and do a lot without knowing the specifics of how the system is set up. Another issue is where the settings originate from and how they can be changed. Applications launched in shells or subshells employ environment variables, which are dynamic values saved on a system and used by such programs. These variables have respected names and values. The environment variable alters the system's functionality and an application's behavior.
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