interrupts, or cancels, a program
^C
puts a process to sleep in the background
^Z
exits the shell
^D
pipe – output of one command is used as input of the next command
use this symbol |
stdout is redirected to, and creates/replaces, a file
use this symbol greater than >
stdout is redirected to append to a file
use this symbol greater than x2»_space;
stdout is sent to stdout and a file
tee