1. Explain what the effect of each of the following commands would be if entered at the Bash prompt? Be as specific as possible d) ls | wc –l e) rm [!A-Z]???
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1. Explain what the effect of each of the following commands would be if entered at the Bash prompt? Be as specific as possible
d) ls | wc –l
e) rm [!A-Z]???
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- Explain what the effect of each of the following commands would be if entered at the Bash prompt? Be as specific as possible. a) ls *.py b) mv ./myprog.cpp .. c) rm [ABC]* d) ls | wc –l e) rm [!A-Z]???Enter Bash commands so that two copies of dd if=/dev/zero of=/dev/nullare executing at the same time and other commands could still be entered.Note: a timeout error probably means your dd is not running in the background.Create a simple BASH shell script that executes the commands specified by you, using a number of different escape characters. Submit the script to your instructor in order to ensure that it functions correctly. Create a more complete BASH shell script that requires user input to be read and uses either an if, case, for, or while construct. Be sure to specify exactly what the script should do, and then submit the script once you complete it.
- please comment all code Using a Bash environment, write a script to do the following: - declare and initialize an array to a few numbers.- in a loop, validate the numbers so they are greater than 0, if so:- get the total of them then the average.- print the average value.A Bash comment starts with which character? a) " b) ! c) # d) --Write a BASH command to assign the string "/usr/share/data" to an environment variable called DATADIR.
- 12) Write bash script using select statement as shown here, after selecting an option, it shouldreturn to command prompWrite a Bash script which: 1. Accepts a filename as a command-line argument. 2. Checks if the file exists in the current directory. 3. If the file exists, display its content in reverse order (last line first) on the terminalWrite a BASH command that moves all of the files with a .xls or .xlsx extension to the directory stored in the variable DATADIR.
- Write a BASH command that concatenates the value of the variable FILENAME with the value of the variable name EXTENSION, sorts the lines of the resulting concatenated filename (assume it is a plain text file), and displays the sorted lines to stdout.Bash Shell Scripting – Permissions Need help with solving this problem: Write a bash shell script with the following capabilities: Create a new bash script ~./test5.sh Add a simple echo "Hello World" statement and save the script. Run the ls –l command to inspect the files permissions. Who is the owner of this file? Can you execute this script? If not, why not? Use the chmod command to change the file permissions to you can execute the file. Run the ls – l command to inspect the files permissions. What changed in the permissions to allow you to run the script? Take a screenshot of the console output.Write a shell script “lsmore.bash” that displays the filename with last three lines for each file in the current directory. use ubuntu please & answer right please..