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pgrep pattern length limit

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linux-howto

http://askubuntu.com – pgrep returns nothing if the pattern length is longer than 15 characters. I can't find anything in the man page about maximum pattern length. Is this a bug? for purposes of exposition I created a process called 12345678901234567890 $ pgrep 12345678901234 5367 $ pgrep 123456789012345 5367 $ pgrep 1234567890123456 $ (HowTos)