Why the slash? And a lot of Linux distributions already have '..' as the same alias -- as . is already a shortcut for 'source'. If you really want to optimize

Why the slash? And a lot of Linux distributions already have '..' as the same alias -- as . is already a shortcut for 'source'. If you really want to optimize this, there's always your .inputrc. "\e[24~": "cd ..\n" For lots of terminals, this maps your F12 key to go up a level in the directory hierarchy, no subsequent press of the enter key required.