December 2018
Beginner
320 pages
8h 57m
English
Content preview from CentOS Quick Start Guide
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Removing an alias
To remove an alias, the unalias command is used. For example, to remove the previously set alias, we use the unalias command as follows:
$ unalias x
The alias command will set its alias for the current session only. If you want to set an alias for any command persistently, you have to make an entry for it in /etc/bashrc for system-wide changes, and if you want to make user-specific changes, than put its entry in the .bashrc file stored in the user's home directory.
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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.