Below are terminal commands I frequently use:

EXIT FROM THE CURRENT OPERATION: CONTROL + D

CLEAR PREVIOUS COMMANDS: COMMAND + K; CLEAR

FILE COMMANDS
open a file with sublime text from Terminal: subl file

Before that, set up the above shortcut:

# You can create a new alias in Terminal:
nano ~/.bash_profile

# Copy this line and paste it into the editor:
alias subl='open -a "Sublime Text"'

# Hit control + x, then y, then enter to save and close it.
# Close all Terminal windows and open it up again.
# That's it, you can now use subl filename or subl .

rename a file: rm fileOld fileNew

create a file: touch file

remove a file rm file