March 2012
Beginner to intermediate
230 pages
7h 27m
English
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Name
passwd — stdin stdout - file -- opt --help --version
Synopsis
passwd [options] [username]
The passwd command changes
a login password, yours by default:
$ passwd
or another user’s password if run by the superuser:
# passwd smith
passwd does have options,
most of them related to password expiration. Use them only in the
context of a well-thought-out security policy.
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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.