[film42]

I really enjoy the regex completion.

Example: $ rm * .gch dir/* .gch

<tab>

$ rm file1.gch file2.gch file3.gch file4.gch dir/file5.gch

I really enjoy it when I'm removing something sensitive and just want to make sure.

[bashaintthatbad]

In bash, you can use 'C-M-e' to expand just like the shell.