February 2001
Beginner to intermediate
448 pages
9h 2m
English
Content preview from Korn Shell Programming by Example
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sleep
Official Description
Suspends execution for at least the specified time.
Syntax
sleep seconds
Options
None
Oddities
Depending on system activity, the actual time of suspension might be longer.
Example
$ date Mon Nov 27 14:45:37 EST 2000 $ sleep 15 # Sleep for 15 seconds $ print $? # Reports success after 15 seconds 0 $ date Mon Nov 27 14:46:04 EST 2000 $ $ sleep 15 # Interrupt the sleep with a Ctrl+C $ print $? 258 # Non-success status due to interruption $
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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.