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Comment by AlexanderDhoore | Hacker News Reader

A handy alias I use:

    alias ..='cd ..'

Moving up the file tree has never been easier!

Put the following in your .bashrc instead:

    shopt -s autocd

If you type a directory in the command-line, it’ll cd into it, e.g.:

    $ ..   # cd ..
    $ ~    # cd ~
    $ foo  # cd foo

I can’t live without this.

Very cool, thanks! Although:

On OS X: "-bash: shopt: autocd: invalid shell option name"

Apple and their outdated tools... It gets annoying after a while.

I believe this is set by default in oh-my-zsh as well.

In Zsh, you can set it so that specifying a bare directory goes to the directory as well, for any directory. Just do

  setopt autocd