March 2002
Beginner
504 pages
10h 47m
English
Content preview from Sams Teach Yourself Shell Programming in 24 Hours, Second Edition
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Questions
| 1: | Which of the following are valid variable names?
|
| 2: | Is the following sequence of array assignments valid in sh, ksh, and bash?
$ adams[0]=hitchhikers_guide $ adams[1]=restaurant $ adams[3]=thanks_for_all_the_fish $ adams[42]=life_universe_everything $ adams[5]=mostly_harmless |
| 3: | Given the preceding array assignments, how would you access the array item at index 5 in the array adams? How would you access every item in the array? |
| 4: | What is the difference between an environment variable and a local variable? |
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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.
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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.