$ \textbf{hg init remove-example}
$ \textbf{cd remove-example}
$ \textbf{echo a > a}
$ \textbf{mkdir b}
$ \textbf{echo b > b/b}
$ \textbf{hg add a b}
adding b/b
$ \textbf{hg commit -m 'Small example for file removal'}
$ \textbf{hg remove a}
$ \textbf{hg status}
R a
$ \textbf{hg remove b}
removing b/b