

There are few things that help one’s efficiency more than being good with
his preferred shell. Many know of the ! option within bash that
allows one to retrieve and run commands from history automatically.
You simply start with a ! and add the first few letters of a command
you’ve recently run, and Bash will run that command for you. I don’t suggest
doing this with rm commands, by the way.
thor ~ $ !net
executes for me…
thor ~ $ netstat -ntu | awk ‘{print $5}’ | grep -e ^[0-9]
So, yeah…pretty standard.
What’s even cooler, though, and far fewer people know about, is the ability
to search through your history rather than having to guess with the
! option.
Just type ctrl-r from the bash prompt and you’ll get this:
(reverse-i-search)`’:
Now start typing something you’ve run recently and
Bash will intelligently search your history and autocomplete your
commands for you, based on how recently you ran them. Just press enter to run it, or press escape to edit it first. ::
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