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doubt on shell

 
manas ranjan mandal
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which of the following is NOT a shell keyword.
a)shift
b)is
c)readonly
d)unset
Thanks in advance
 
Joe Ess
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Do you have a shell account you could try these commands on?
 
manas ranjan mandal
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no i donot have.
 
Bear Bibeault
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Where are all these questions coming from?
 
manas ranjan mandal
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i have seen this question in net but they donot provide any answer.so can you know the anser of this question?
 
Ernest Friedman-Hill
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You know, there are a number of different shells (sh, csh, tcsh, bash, ksh, zsh...) each with its own syntax. Without saying otherwise, we can probably assume this is about sh, the "Bourne shell".

There are lots of references on this topic on the Web; here's a random one.
 
Joe Ess
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These sure sound like homework questions to me.
How about installing cygwin? It gives you a nice bash shell on a Windows computer. Or download one of dozens of Live CD's. Then we're not just discussing Unix in the abstract and you're actually learning something rather than discussing trivia.
 
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