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Process Management In Linux

Process Handling in Linux
POS 420
October 11, 2005

In Linux processes communicate with each other and with the kernel to coordinate their activities. Linux supports a number of Inter-Process Communication (IPC) mechanisms. Signals and pipes are two of them but Linux also supports the System V IPC mechanisms named after the Unix TM release in which they first appeared. 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. (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......


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Approximate Word Count: 4126
Approximate Pages: 17 (250 words per double-spaced page)

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