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)

 A167 - Web Application Deployment - Shell Programming

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Comparison of Object Oriented Philosophy - Python, Java, C++, Perl
Butterflies in a Wiltshire garden
Where to go within 30 minutes of Melksham
Freedom of speech and freedom to post
No news is good news with Unix and Linux
Fighting illegal net use by imposing download limits
Pictures of the Vale of Pewsey
Pictures of Avebury, Longleat and Dyrham
An excellent use for a visitor count?
PHP - a team member leaves
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