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/var/log/mesages

Please give me a high-level overview of /var/log/messages including the history how it came to be. Assume that I strive to become an…

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…

vim

Zavier failed his RHEL-based LFCS exam because he was very slow performing tasks in vim. What should he have memorized about vim to…