Question

PLEASE EXPLAIN AND SHOW HOW TO DO THESE! (especially all the passwd ones!!)

Perform the following on your Linux instance:

-Execute the command ls -l /etc/hosts /fakepath. Send the standard output to a file named ${HOME}/ls-stdout and the standard error to a file named ${HOME}/ls-stderr.

-Print the text Hello, World! to a file named ${HOME}/info. Overwrite the file if it already exists. Then, append the text The date is: to the ${HOME}/info file. Finally, append the standard output of the date command to the ${HOME}/info file.

-Print all lines that contain both the string nologin and the string run within the /etc/passwd file. Send the standard output to the file ${HOME}/passwd-nologin.

-The /etc/passwd file contains colon-delimited values. For all lines within /etc/passwd, print the 7th field, filtering the output so it only contains unique values. Send the standard output to the ${HOME}/passwd-unique file.

-Print the first 5 lines of the /etc/passwd file, changing all occurrences of the character x to the character !. Send the standard output to the ${HOME}/passwd-modify file.

-Print all lines within the /etc/passwd file that contain a 3 digit number in the range 900 to 999. Send the standard output to the ${HOME}/passwd-number file.

-Print all lines within the /etc/passwd file that begin with the string sh, ss, or sy. Send the standard output to the ${HOME}/passwd-prefix file.

-Create a file named ${HOME}/text-edit with the following content:

This is college.

It is located in America.

This is the third line of text.

For credit on this assignment, upload one or more screenshots showing the following:

-The output of cat ${HOME}/ls-stdout.

-The output of cat ${HOME}/ls-stderr.

-The output of cat ${HOME}/info.

-The output of cat ${HOME}/passwd-nologin.

-The output of cat ${HOME}/passwd-unique.

-The output of cat ${HOME}/passwd-modify.

-The output of cat ${HOME}/passwd-number.

-The output of cat ${HOME}/passwd-prefix.

-The output of cat ${HOME}/text-edit.

Answer 1

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