The following command will sort all lines and remove duplicates (keeping unique lines):
A userspace utility for testing the memory subsystem for faults. It's portable and should compile and work on any 32- or 64-bit Unix-like system. (Yes, even weird, proprietary Unices, and even Mac OS X.)
Copyright © 1999 by The Free Software Foundation Permission is granted to copy, distribute and/or modify this document under the terms of the GNU Free Documentation License, Version 1.1 or any later version published by the Free Software Foundation; with no Invariant Sections, no Front-Cover Texts, and no Back-Cover Texts.
Files are ubiquitous in the UNIX® environment, leading to a common phrase: "Everything is a file."
The TechRepublic CIO50 list celebrates the most influential and innovative tech chiefs, voted by their fellow CIOs The ability to monitor user activity on a Linux system is one of the first skills a Linux administrator should master. This ability often provides a first line of defense in discovering unauthorized activity.