The absolute bare minimum you need to know on the command line
in devops bare minimumGUIs change, but the command line is eternal. Memorize these 5 commands and a long and happy life awaits.
$cd
change directory. This is how you move
around the file system.
$ls
List, or tell me what's in this directory. This has a
huge list of useful modifying flags, such as -l (long,
tell me the size, ownership, and permissions on each
thing in here too), or -a (all, as in, show me hidden
dotfiles as well)
$mv
Move, this is how you move something from here
to there. This is also how you rename something
even if it's in the right place.
$cp
Copy. Add -r to make it recursive, else it
won't copy directories because it won't
descend into them.
$pwd
Not sure what this stands for off the top of
my head (something working directory), but this
is how you get it to tell you where you are
in the file system.