0xFE-1111110b-0376-254-b9#9: Troubleshooting UNIX Systems with Lsof

[ Thanks to Digger for this link. ]

"One of the least-talked-about tools in a UNIX sysadmin's toolkit is lsof. Lsof lists information about files opened by processes. But that's really an understatement.

"Most people forget that, in UNIX, (almost) everything is a file. The OS makes hardware available to applications by way of files in /dev. Kernel, system, memory, device etc. information in made available inside files in /proc..."

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