Yet another info tool - lsof

To go along with the other network info tools that I mentioned earlier comes word of lsof, which is a standard Linux tool for doing an ls on all open files. I do lots of work on RedHat and my boss told me about this one. Just another in the set of things you can run that will tell you what your system is up to.

Port description for sysutils/lsof

Here is a nice online man page for lsof:

lsof(8): list open files - Linux man page


Update: Here's a cool little quickstart guide for lsof. If you saw the man page, you would see it has almost as many options as ls itselt! This article has a bunch of questions seaching for answers using lsof: lsof quickstart