Linux Commands Examples

A great documentation place for Linux commands


print the number of processing units available


nproc [OPTION]...

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Print the number of processing units available to the current process, which may be less than the number of online processors


print the number of installed processors


if possible, exclude N processing units


display this help and exit


output version information and exit


Copyright © 2012 Free Software Foundation, Inc. License GPLv3+: GNU GPL version 3 or later <>.
This is free software: you are free to change and redistribute it. There is NO WARRANTY, to the extent permitted by law.

reporting bugs

Report nproc bugs to bug-coreutils[:at:]gnu[:dot:]org
GNU coreutils home page: <>
General help using GNU software: <>
Report nproc translation bugs to <>

see also

The full documentation for nproc is maintained as a Texinfo manual. If the info and nproc programs are properly installed at your site, the command

info coreutils 'nproc invocation'

should give you access to the complete manual.


Written by Giuseppe Scrivano.

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