USEFUL COMMANDS mirror site: wget --wait=2 --level=inf --limit-rate=20K --recursive --page-requisites --user-agent=Mozilla --no-parent --convert-links --a> adding line to end of file: echo "[words]" >> [file] merge: mv [file].save [file] wifi signal scanner: watch nmcli d wifi format a text file for console: fold -s -w 79 [input.txt] > [output.txt] encrypt/decrypt files: gpg -c [input-file] gpg [encrypted-file.gpg]