Unix cheat sheet

General

Command Usage
apropos STRING Search man pages for STRING, including text of all man pages.
whatis STRING Same as apropos but only searches man page names.
cp -pi /path/file /path/file.`date +%F` Make a backup of a file and append the date.

NetBSD/pkgsrc

Command Usage
find /usr/pkgsrc -type d -name "search_term" Find package to install.
make, make install and make clean Compile and install software in pkgsrc directories.
cd /usr/pkgsrc && cvs update -dP Update the pkgsrc sources via CVS.
lintpkgsrc -i Find out of date packages.
pkg_rolling-replace -u Updates packages and dependencies.

tmux

Command Usage
Ctrl-b PgUp Go into copy mode to allow scrolling in buffer.
Ctrl-b " Split pane horizontally.
Ctrl+b % Split pane vertically.
Ctrl+b SPACE Switch between split orientation.
Ctrl+b arrow key Switch pane.
Hold Ctrl+b Resize pane.
Ctrl+b c (c)reate a new window.
Ctrl+b n Move to the (n)ext window.
Ctrl+b p Move to the (p)revious window.