Quick Search for Files

You'll need to set up locate for this by installing mlocate. mlocate needs a list of all files on the machine, so run:

sudo updatedb

Then to find a file called 'my-cats.jpg', run:

locate cats

Whereis

whereis angband

... shows where the angband program is, along with configuration files, and binaries.

Also which shows where a binary file (the program) is,

which cmus

That's a lot of files for cmus, but you can find out exactly which is the program with:

which cmus

type shows aliases:

type cmus