August 2000
Intermediate to advanced
816 pages
29h 45m
English
book
Linux in a Nutshell, Third Edition
by Ellen Siever, Stephen Spainhour, Jessica P. Hekman, Stephen Figgins
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Name
@
Synopsis
@ [variable[n]= expression]
Description
Assign the value of the arithmetic expression to variable or to the nth element of variable if the index n is specified. With no variable or expression specified, print the values of all shell variables (same as set). Expression operators as well as examples are listed under Section 8.5 earlier in this chapter. Two special forms also are valid:
- @ variable ++
Increment variable by 1.
- @ variable --
Decrement variable by 1.
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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.