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doubt on shell

manas ranjan mandal
Ranch Hand

Joined: Apr 02, 2008
Posts: 97
which of the following is NOT a shell keyword.
a)shift
b)is
c)readonly
d)unset
Thanks in advance
Joe Ess
Bartender

Joined: Oct 29, 2001
Posts: 8927
    
    9

Do you have a shell account you could try these commands on?


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manas ranjan mandal
Ranch Hand

Joined: Apr 02, 2008
Posts: 97
no i donot have.
Bear Bibeault
Author and ninkuma
Marshal

Joined: Jan 10, 2002
Posts: 61434
    
  67

Where are all these questions coming from?


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manas ranjan mandal
Ranch Hand

Joined: Apr 02, 2008
Posts: 97
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
author and iconoclast
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Joined: Jul 08, 2003
Posts: 24187
    
  34

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.


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Joe Ess
Bartender

Joined: Oct 29, 2001
Posts: 8927
    
    9

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.
 
I agree. Here's the link: http://aspose.com/file-tools
 
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