“The auto complete feature of the Bourne Again SHell makes bash
one of the most loved and newbie-friendly Linux shells. Just by
pressing the Tab key you can complete commands and filenames. Press
the Tab key twice and all files in the directory get displayed. But
you can do more with autocomplete–such as associating file types
with applications, and automatically designating whether you’re
looking for directories, text, or MP3 files. With simple commands
such as complete and the use of Escape sequences, you can save time
and have fun on the command line.“You can use the dollar sign ($), tilde (~), and at (@)
characters along with the Tab key to get quick results in
autocomplete…”