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While trying to understand the basic meaning of the umask command I jotted down some notes on the umask command. These notes are my attempt to understand explain the basics of the umask command. It is assumed the reader has a basic understanding of the permissions in linux.

For further information on umask, there are also more notes on umask written by hunter. These notes do not take into account sticky or setuid bits either.

Click on the above graphic to download the CompTIA Linux+ Study Sheet

CompTIA’s Linux+ Exam is an exam for people wanting to certify in the Linux OS. The previous exam - XK0-001 retired July 31 of 2005. The new exam - XK0-002 which this cheat sheet covers is the latest version to date (1/2006)

Where the previous one required a 655 to pass, this exam requires a 675. XK0-001 was equivalent to 6 months on the job experience where as the new one XK0-002 is now equivalent to 6 months to  1 year. The new, revised exam gives greater weight to security, installation, configuration, and documentation, while decreasing emphasis on hardware.

The XK0-002 exam has 98 questions on it (Previously on XK0-001 there were 94) that are given in conventional format. This non-adaptive test allows you to mark questions for review later at the end before you submit your answers.

While studying for this exam, I compiled a list of the notes I had taken. This list does NOT cover all of the exam. It is merely a brief cliff notes version to highlight some of the material. I have posted it on this website for others to download. It is available free to anyone. There are no guarantees with this cheat sheet I have made. I originally made it just to remind me of a few things for a quick study before taking the exam. Please do not rely solely on this for studying.

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