Shortcuts
CTRL is a very commonly used key when on the command line. It's used for shortcuts and also to send very specific signals to bash. Let's start with some of the short cuts.
CTRL + A
takes you to the beginning of the lineCTRL + E
takes you to the end of the lineCTRL + K
"yank" everything after the cursorCTRL + U
"yank" everything before the cursorCTRL + Y
"paste" (paste in quotes because it doesn't actually go into your system clipboard) everything you yankedCTRL + L
clear the screenCTRL + R
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