visudo

Relis is a RHEL Sydamin at Red Hat. Using her non-root account, she needs to make Michael (username michael) a sudoer on her…

setfacl

Adrea is a RHEL Sysdadmin who has been tasked with the following: Here are the commands that Adrea can use to complete the…

chage

Byron is a RHEL Sysadmin. He wants to chnage Omar's accoount so that he has to change his password every 90 days instead…

sed

Luis wants to replace every occurence of the word "red" with the word "blue" in list.txt and save the result in list2.txt. Please…

vim 3

How do you save all changes and exit vim? To save all changes and exit vim, you can use the :wq command. This…

vim 2

List 10 vim shortcuts that Adrienne must master to help pass her RHEL-based LFCS exam. Here are 10 Vim shortcuts that Adrienne should…