Process Management in Linux

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Issue:

Technology

 

Written by:

Roberta D

 

Date added:

December 17, 2012

 

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Grade:

A

 

No of pages / words:

15 / 4130

 

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5107 times

 

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Signals are one of the oldest inter-process communication methods used by Unix TM systems. The common Linux shells all allow redirection. For example $ ls | pr | lpr pipes the output from the ls command listing the directory's files into the standard input of the pr command which paginates them. Finally the standard output from the pr command is piped into the standard input of the lpr command which prints the results on the default printer...
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Finally the standard output from the pr command is piped into the standard input of the lpr command which prints the results on the default printer. (2005,www.tldp.org) They are used to signal asynchronous events to one or more processes. A signal could be generated by a keyboard interrupt or an error condition such as the process attempting to access a non-existent location in its virtual memory...
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