Beginners – How to get Help

Valic —  December 5, 2012 — Leave a comment

When you are stuck and need  help with a UNIX command the help is sometimes a few  keystrokes away! Help is typically built  into the commands themselves, available through online facilitate programs like man pages and info pages.

 1. Using the Help biult-in command:

Many commands and applications have simple help screens that can be displayed with special command flags. This flag usually is “-h” or “–help“.


cat –help

2. Using Man Pages

The best source of data for most commands is found within the manual pages. Theese are known asa man pages. To display a command’s man page  you need to type man command

Example: If you want to get help with the grep command just type man grep and the man page for the grep command will be displayed.

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