Click for a PDF containing this and four other essential Linux articles. Both of the aliases below will list whatever files are open on your behalf when you are logged in. I suspect that few sysadmins ...

Happy hangover Monday everyone! To soothe those post-big-game blues, here's this week's man page -- lsof, the LiSt Open Files tool. If you're trying to figure out why a removable drive won't unmount ...