Write a BASH command to assign the string "/usr/share/data" to an environment variable called DATADIR.
Q: Write a BASH command that removes the LOCALHOST variable
A: unset is the keyword used to remove or clear any variables
Q: Write a command to search all the files in ending with .doc, whose does not contain a pattern…
A: We know that, In Linux, the grep command is used to search the files or the strings or particular…
Q: How can we add "C:\Users" directory to the $PSModulePath environment variable in PowerShell? Please…
A: The PSModulePath environment variable The PSModulePath environment variable stores the paths to the…
Q: Write a shell script that performs the task of the below shell command. man ls | grep ls > file.txt
A: I have provided a solution in step2.
Q: Which of the following regular expression will match the pattern exp only at the beginning of a line…
A: \^exp is incorrect, because \ at begining disables the remaining meaning ^exp is correct, because it…
Q: Program 2: Write a bash shell script to display your name and register number.
A: echo “Enter your name:”read Nameecho “Enter your enrollment number:”read Enrollclearecho “Details…
Q: In Linux Op Sys, what is the difference between locate and find commands?
A: Actually, OS is a system software which manages computer hardware and software.
Q: In /etc/passwd, you may lock a user account by setting the default login shell to an invalid shell.…
A: Use the usermod -L or password -l commands to disable a user's account. When disabling or locking…
Q: What type of file is kernel32.dll?
A: Kernel32.dll Kernel32.dll file is used to handle the memory usage in Microsoft Windows. It is one…
Q: Please give me the answers for these question below: To upgrade Windows PowerShell to a newer…
A: Note: As you have asked multiple questions, as per our policy, we will solve the first question for…
Q: [test50@cents ~]$ touch ownFile [test50@centos ~]$ ls -1 ownFile |-rw-rw-r--. 1 test50 test50 0 Nov…
A: touch command is used to create a file ls command is used to list the directory and its content ls…
Q: Task: Use following variables to write your CV in Linux bash script. Variable $0 $n $# $* $@…
A: Save the file with name test.sh and execute using $./test.sh John Doe
Q: Which of the following files is always executed immediately after any user logs in to aLinux system…
A: Explanation: - If this file occurs, in addition, this file is readable, the login shell accomplishes…
Q: E6. Displaying information and messages using the echo command. It displays its arguments on your…
A: The string that is passed as argument to the echo command gets displayed on to the terminal. Hence…
Q: Write necessary bash code to continuously display the main menu that contains the following tasks:…
A: Hey there, I am writing the required solution based on the above given question. Please do find the…
Q: Create your own .bashre file that sets various variables and aliases. Log out and back in again…
A: Output of the bash script
Q: Each blank line below indicates a token. How does the bash shell interpret each token in proper…
A:
Q: 1. Explain what the effect of each of the following commands would be if entered at the Bash prompt?…
A: According to the question, Here are your answers:
Q: Write a command that changes the owner of all files and subdirectories contained in…
A: chown -R gabbo /home/krustytheclown Here -R stands for recursive to operate on files and directories…
Q: a BASH command that converts the shell variable LOCALHOST into an environment variable
A: Bash is the shell, or command language interpreter, for the GNU operating system. The name is an…
Q: The command hostname writes to stdout the name of the system. Write a BASH command that assigns…
A: Bash: Hostname:
Q: Note that the "touch" command creates a new empty file. Using this command, and some others, which…
A: Below I have provided the solution to the given question with proper explanation.
Q: Assuming we are in the C:\Users\Admin\Desktop directory. We can remove the Archive attribute of all…
A: explanation: ATTRIB .\Test\* -A Here: attrib is the command .\Test\* - is to select everything in…
Q: What parameter can be used to bypass the below confirmation prompt?
A: To remove a user from a group, use the Remove-ADGroupMember cmdlet with the name of theuser and…
Q: A Bash comment starts with which character? a) " b) ! c) # d) --
A: Here is the solution which is mentioned below:
Q: Use following variables to write your CV in Linux bash script. Variable Script Output $0…
A: Save the file with name test.sh and execute using $./test.sh John Doe
Q: Explain how a bash executes a command , say ls -l . in 3-4 sentences ?
A:
Q: Unlike Command Prompt, PowerShell has a Updateable Help System, so we can use the Update-Help cmdlet…
A: We need to identify whether the given statement is True or False: Unlike Command Prompt, PowerShell…
Q: Write a script to automate the creation of new users and groups, i have this so far but the groups…
A: Solution : Shell Script: #!/bin/bash while [x$username = "x" ]; do read -p " Please enter the…
Q: Which of the following are permission types in a Linux Distribution (Pick Three) ? create read…
A: Read Write and Execute
Q: Create file Delete file Copy file Move file Change file user and group owner Change file permissions
A: A menu driven file management utility providing regular file management tasks like browse, search,…
Q: Explain what happens when one programs a nextLine() command after a nextInt() or nextDouble()…
A: nextInt() or nextDouble() is used to take input integers or double values from user
Q: Which command can increase the number of file handles that programs can open in a shell?a. lddb.…
A: “Ulimit”: The command used to control all the resources available, which are open in shell is…
Q: Which command is used to run a shell as another user?
A: Answer: su command
Q: 10. What is the use of the “Where” parameter in Select-Object? Eg: $ $Query = "Select Name from…
A: NOTE: ACCORDING TO COMPANY POLICY WE CAN SOLVE ONLY 1 QUESTION. YOU CAN RESUBMIT THE QUESTION AGAIN…
Q: Create a file in Kali Linux root directory with the name MyTest.txt. a. Generate a hash value for…
A: The first file input for MyTest.txt file is "Hello" . Then i generated a sha1sum value. Then made…
Q: Suppose you want to compile your code into an executable name lab, and you have constructed a valid…
A: Suppose you want to compile your code into an executable name lab, and you have constructed a valid…
Q: 1. Type Get-com and press the tab key a few times – what do you see happening? 2. What is the sign…
A: 2) '|' refers to multitasking or multi- user functionality. Example: mk cat.txt | dog.txt 3) ls, dir…
Q: Please help with the following: in linux Give a description of what each command does and explore 1…
A: - The question is to describe some linux commands ,their description and one used option.
Q: do the following in the code The shell environment should contain shell=/myshell where /myshell is…
A: Programming is instructing a computer to do something for you with the help of a programming…
Q: 1. Write a Bash function named ‘Generate-ID' that generates all possible UGA student id start with…
A: We need to write a Bash function named ‘Generate-ID' that generates all possible UGA student id…
Q: 7. What is the use of the –Unique parameter and sort-object in the below script? Get-CimClass…
A: The solution for the above question is given below:-
Q: do the following in the code The shell environment should contain shell=/myshell where /myshell is…
A: Actually, given question regarding shell environment.
Q: Cmdlets are lightweight commands used in the__________________ Shell environment. a. Korn…
A: Cmdlet also known as Command let and cmdlets are the lightweight commands
Q: 1. Explain what the effect of each of the following commands would be if entered at the Bash prompt?…
A: In this question we have to explain the bash script command working. Let's discuss
Q: Create a command quick reference card that can be used as a reference when working from the Linux…
A: command description ls lists the…
Q: Before a user-defined variable can be used by processes that run in subshells, that variablemust be…
A: User defined variable The variables which can be created by the user and that exists in the session…
Q: a BASH command that concatenates the value of the variable FILENAME with the value of the variable…
A: Bash is a command language interpreter. It is widely available on various operating systems and is a…
Q: Explain what the effect of each of the following commands would be if entered at the Bash prompt? Be…
A: As per our guidelines, we are supposed to answer only 1st three parts. Kindly repost the remaining…
Q: On the cmsy255 server, write a bash shell script called usrinfo that displays information about a…
A: #!/bin/bash # First in order to make the script executable give executable permission to the script.…
Write a BASH command to assign the string "/usr/share/data" to an environment variable called DATADIR.
Step by step
Solved in 2 steps
- Make sure to do the proper exception handling in your code. Write shell script for a simple calculator which can perform basic arithmetic operations like addition, subtraction, multiplication or division depending upon the user input in Bash.Make sure to do the proper exception handling in your code.Your very own .bashrcfile Create your own .bashre file that sets various variables and aliases. Log out and back in again (pressing will exit from the bash shell and you can then log back in again by typing the bash command). Include the bash script in your report and a transeript of sample testing to show that the script works.Write a bash script that accepts aperson’s name as a command-line argument and simply prints out the following greeting: "Good day, <name_entered>! Nice to meet you!", where <name_entered> is a positional parameter (i.e., a command-line argument) passed to the script. If the user does notenter a command-line argument when invoking this shell script, you will simply output: "Hope you have a great day!", without any name displayed. How to do this??
- CSE460 MID ASSIGNMENT Given the Linux shell command descriptions, please write down the corresponding shell commands in a terminal window. • Copy paste the shell commands(using Control+shift+C) to do the following • give screenshots so that I can understand b) Write a shell script, which first ask the user for a number. then, -> Print "Panther" if the number is divided by 10 but is neither a multiple of 4 and neither a multiple of 5. -> Print "Oodama_Rasengan" if the number is a multiple of 5 or 6, but not both. -> Print "Rasen_Shuriken" if the number is a multiple of both 5 and 6Write a shell script for a simple calculator which can perform basic arithmetic operations like addition, subtraction, multiplication, or division depending upon the user input in Bash. + check if the user enters a number or not? Make sure to do the proper exception handling in your code.Write a bash program that takes in a word and a filename from the command line and print out the number of occurrences of the word in the file. Name the program count_word.sh. Your program should work as follow:hb117@uxb5:~$ ./count_word.sh global /home/hb117/shared/cs371/lab04/global.txt global 9 hb117@uxb5:~$ ./count_word.sh nuclear /home/hb117/shared/cs371/lab04/global.txt hb117@uxb5:~$ add awk to your pipe
- Write a bash shell script program that prompts the user to enter a list of 10 student names and check the number of occurrences of "Emily". Your program should display the result. Sample input: Emily Susan Lily Ashley John Alex Nancy Tim Michael Emily Your program output should be: Emily appeared 2 timesQuestions: Answer the below questions inside the script itself. How is a comment written in a script? 2.What is a self-documenting variable or argument? Give an example. Application: Write a skeleton script titled: skeleton.sh. Include the following in the script: The shebang to BASH Comments that include: The name of the script file Name of the original author Date written Date last modified Purpose Brief description of the implementation of the script Save the script in your bin directory.Lastly: Upload a copy of the script file.Given a directory called Project1 with 500 files called rock000.py, rock001.py, ... , rock500.py, create a bash shell script that will rename all the files given in this directory. The script should take two arguments: a base name and a file extension. Please include the specifics from the example in the code (i.e., identify the base name, extension, and old and new file names and write them as part of the code). If we run bash project.sh project_rocks py the resulting files in the directory should be like this: project_rocks000.py, project_rocks001.py, .. , project_rocks500.py.
- Write a c program that takes one-word bash commands as user entered input, dynamically allocates memory, runs the command, frees memory, and asks the user if they would like to run another command. Specifically, your program must: 1. Dynamically allocate memory for a user entered command2. Ask the user to enter a bash command3. Run the bash command4. Free the memory allocated to the user command5. Ask the user if they would like to run another commandmIn this question, you will develop your own version of shell. Your shell will execute commands given by the user. The steps involved will be as follows: 1.User types a command, such as “cp ./OS ../newOS”. The command will be stored in a character array or a string object. 2.Shell will perform tokenization and separate the command and its arguments. 3.Shell will create a child process and use execvp system call to execute the command. 4.Shell will wait for the command to finish execution. 5.After the command has been executed, shell will ask the user to enter the command again. 6.Shell will exit when the command given by the user is “exit”.Using JAVA, Create a File Menu in your GUI Add a file menu to your BulbGUI with options to open any file for reading (and displaying the file as in Project 2), and one to Quit the program. You will need a FileMenuHandler class to handle the events from the FileMenu. Be sure to use getAbsolutePath() when getting the file from the JFileChooser, not getName(). Handle Exceptions Create an exception called IllegalBulbException (by extending IlegalArgumentException as shown in the lecture) and have the constructor of the Bulb throw it. For our purposes, a Bulb is illegal if the wattage is less than 5. Use a try/catch statement to catch this exception in your program, and display the erroneous Bulbs to the console (do not put them in the ArrayList). Use ArrayLists Use an ArrayList to store the unsorted Bulbs. For this project, display only the unsorted bulbs in the GUI. Input file Phillips,1237DF2,100,1200 Phillips,546AHH7,75,900 Phillips,875RTM6,4,750 Cree,14573,65,800 Cree,86545,100,1100…