mf (like "make dir & forward") - create directory and enter inside.
b (like "backward") - command acting like "cd .." but also displays content of target directory.
c (like "clear") - clear screen.
cl (like "clear & list") - clear screen and displays current directory.
l (like "list") - display current directory (`ls`)
ll (like "list long") - display detailed list (`ls -l`)
la (like "list all") - list also hidden files (`ls -a`)
m (like "make dir") - create directory (`mkdir`)
e (like "edit") - invoke editor (To set up other application than "gedit" change $EDITOR variable)
ee (like "edit recently changed") - invoke editor and load most recently changed text file in current directory. User doesn't need to remember what he was doing. This command can be called "just continue my work".
rm (like "remove") - put files in system trash. Do not delete them permanently.
rmrm (like "i'm sure i want to remove") - delete permanently (`/bin/rm`)
rmrmr (like "remove recursively") - delete permanently directories too (`/bin/rm -r`)
s (like "superuser") - execute following command as a superuser (`sudo`)
psg (like "ps aux | grep") - search for application in all processes
Commands b, c, cl, ee don't take one arguments.
Commands l, ll, la, e, rm, rmrm take arbitrary number of arguments - files or directories.
Command s, psg takes another command pieces.