July 2016
Beginner to intermediate
462 pages
9h 14m
English
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Command-line history
The command-line history is a mechanism to minimize the number of keystrokes. You can read more about it at http://www.tldp.org/LDP/GNU-Linux-Tools-Summary/html/x1712.htm (retrieved January 2016).
To simply execute the last run command, type the following again:
$ !!
Depending on which shell mode (vi or emacs) you are in, you may prefer other ways to navigate the history. The up and down arrows on your keyboard should also let you navigate history.
A common use case is to search for a long command we executed in the past and run it again. We can search through history, as follows:
$ history|grep <search for something>
You can of course shorten this using the aliasing mechanism or with a desktop text expander. The search gives ...
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O’Reilly covers everything we've got, with content to help us build a world-class technology community, upgrade the capabilities and competencies of our teams, and improve overall team performance as well as their engagement.Julian F.
I wanted to learn C and C++, but it didn't click for me until I picked up an O'Reilly book. When I went on the O’Reilly platform, I was astonished to find all the books there, plus live events and sandboxes so you could play around with the technology.Addison B.
I’ve been on the O’Reilly platform for more than eight years. I use a couple of learning platforms, but I'm on O'Reilly more than anybody else. When you're there, you start learning. I'm never disappointed.Amir M.
I'm always learning. So when I got on to O'Reilly, I was like a kid in a candy store. There are playlists. There are answers. There's on-demand training. It's worth its weight in gold, in terms of what it allows me to do.