Write the BASH commands that accomplish the following tasks: 1) Display the name of the current shell. 2) Display the names of all available shells on your system. 3) Send history statements to a file named history4_12.txt
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A: Screenshot Of Code:
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Q: Create file Delete file Copy file Move file Change file user and group owner Change file permissions
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- Create the directory “Project” & perform the following actions: a) Create the files ‘f1.txt’, ‘f2.txt’, ‘f3.txt’ and ‘f4.txt’ in it. b) Set the permission of ‘f1.txt’ to -rwx r-- r--, permission of ‘f2.txt’ to -w- r-x r—c) Combine the files f3 and f4 using the paste commandd) Show the use of cut command on any of the above files 2. Write a Shell Script to perform the following: a) Display the files with its access permissionsb) Display the information in megabytes about how the space is allotted in the file system such as used and free space.c) Display the currently running processesd) Display how long the system has been up since the last boot3. Create a shell script to display your name, enrollment ID, the program and the courses you study in this semester. Use the correct variables and display the above to the standard output (screen). 4. Write a bash script that takes the side of a cube as a command line argument and displays the volume of the cube. 5. Write a bash script to…Create the directory “Project”& perform the following actions: a)Create the files ‘f1.txt’, ‘f2.txt’, ‘f3.txt’ and ‘f4.txt’ in it. b)Set the permission of ‘f1.txt’ to -rwx r-- r--, permission of ‘f2.txt’ to -w- r-x r— c)Combine the files f3 and f4 using the paste command d)Show the use of cut command on any of the above files Write a Shell Script to perform the following: a)Display the files with its access permissions b)Display the information in megabytes about how the space is allotted in the file system such as used and free space. c)Display the currently running processes d)Display how long the system has been up since the last boot Create a shell script to display your name, enrollment ID, the program and the courses you study in this semester. Use the correct variables and display the above to the standard output (screen).…20. Create a linux bash script to get a filename as input and then it should check and display if file exist and size is greater than zero, then should get input of any file comparison operator and then display if the file is true or false for that given file comparison operator. 21. Create a linux bash script to get three numbers as positional parameters then display the greatest and least of the given numbers. If positional parameters are not given then message "This script requires 3 numbers as positional parameters, Try again.." should be displayed.
- Bash Shell Scripting – Misc. Commands Create a bash script ~/test4.sh with any text editor. Write a bash script that does the following: echo "File Name: $0" echo "First Parameter : $1" echo "Second Parameter : $2" echo "Quoted Values: $@" echo "Quoted Values: $*" echo "Total Number of Parameters : $#" Take a screenshot of the console output. Run your scripts after doing a chmod 777 on the script. Open a terminal window and run the following commands: which gcc man gccUsing the following data file (delimited by a space or tab) November 400January 200June 400March 200April 200May 300July 400August 300September 400February 300October 300December 200Write a bash script that will use a loop structure to process the data file line by line. Do not use the command awk. The script will send the output to a file in the following format:Month Sales-------- -------January 200February 300March 200April 200May 300June 400July 400August 300September 400October 300November 400December 200======Total show the totalAverage show the averageEnter a BASH "glob" pattern that will match all files in the current working directory that start with the letter 'q'. Note: no "whitespace" is permitted (spaces, tabs, etc).
- A client sends you two files containing two shapes to be used in the design of a logo. Your computer could not recognize the format of the files sent in order to display them, so you manually open the files on a text editor, and found the following content within each file: File A File B (-2.5, -2) (0.5, 4) (2.5, 3) (-0.5, -3) START (-3, -2) <√34, 30.964°> <√10, 71.565°> <-5, -3> <-1, -3> Based on this data, name the types of the two shapes, justifying your answer by assessing the properties of each shape, and drawing a small sketch for each.Write a bash script for a menu driven file management utility that can do following Create file Delete file Copy file Move file Change file user and group owner Change file permissionsTask1: Create a directory say, "Linux user" and it contains three files (e.g.; A, B, C). Change the directory permission first for "user", “group", “others", “all" then change the permission of files residing in the same folder/directory.
- Write a bash script for a menu driven file management utility that can do following operations Create file Delete file Copy file Move file Change file user and group owner Change file permissionsWrite the path of your home directory Create a file called 'lab4’with the following lines I am a student of MCBS My major is Currently I am studying CPT 275. Add write permissions to group and others on 'cpt' file. Create a subdirectory called 'funny’ Copy the file 'cpt' into the subdirectory "funny' Delete the directory 'funny'. Copy the file /etc/passwd' to your own home directory and rename as it 'exam0' [This file is the user database file. It contains one line for each user; each line contains seven fields separated by colons. The fields are: username:password:userid:groupid:name:home_directory:shell] Display the contents of the file 'passwd’. Did you find your username?Several questions regarding the commands and shell programming a) list all files that the name starts/contains with ‘exam’. b) how to get the line count of a file? c) read/write files d) append directory the PATH environment variable