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No news is good news with Unix and Linux

No news is good news ... so says Linux and Unix. All processes return a status code, and you can expect that to be:
0 - success
1 - failure
2 - abject failure

So, for example, the grep utility returns a status as follows:
0 - found what you were looking for!
1 - nothing found
2 - sorry - couldn't even read the input file
(written 2006-08-10 05:47:01)

 
Associated topics are indexed under
A167 - Web Application Deployment - Shell Programming

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