$ nslookup -q=txt <topic>.wp.dg.cx
$ nslookup -q=txt otaku.wp.dg.cx
$ screencapture -s ./Desktop/screen.jpg
:!gcc -o hello % && ./hello
:imap <f4> <esc>
$ dpkg-query -Wf '${Package} - ${Version}' | sort -n
cat /etc/passwd | egrep -v "noshell|false|nologin" | cut -d: -f1,7
$ mkdir -p "$HOME/bin" $ echo 'PATH="$HOME/bin:$PATH"' >> "$HOME/.bashrc" $ exec bash