If you're not yet comfortable with writing scripts on Unix and Linux systems, this post might get you off to a healthy start.

If you're new to the UNIX operating system, especially if you're familiar with Windows, you'll find that the file access control mechanisms might not be exactly what you expect.

The Unix command “uname -s” will tell you the operating system your machine is currently running, and under Mac OS X it returns “Darwin,” Apple’s name for the non-GUI, nongraphical core ...