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Finding Linux Documentation [2/2]
Nothing a newbie can do without documentation.
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On a Linux System - The /usr/doc dir
More documentation that you ever need
On an installed Linux system, whatever distribution you use, most of the available documentation is located in the
/usr/doc directory.
In this directory you may find some of (generally all) these subdirectories :
- LDP - where are located most of the Linux Documentation Project guides.
- HOWTO - where are located most of the Linux Documentation Project howto.
- FAQ - where are located various FAQ, and particullary the Linux FAQ.
You will also find a lot of other subdirectories which contain documentation referring to special applications.
For example, if you have installed a program called
hello_world wich version is 1.0.0,
chances are that you find all hello_world documentation located in the
/usr/doc/hello_world-1.0.0 directory.
Also note that some application may install their documentation files in /usr/local/doc
rather than in /usr/doc. So you may also take a look here.
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On a Linux System - The man pages
Nothing without a manpage.
Man pages ( e.g. Manual Pages ) are text document formatted in a special way that make them both easily
readable and easily printable. On a Linux System there is pratically a man page for everything. Pratically
all applications, all shell commands, all language instructions have their own related man page.
To display a particular man page just type at the prompt :
man page_name
So, if you want to learn how to use the hello_world application just type :
man hello_world
If you are a C programmer, and have forgotten the exact syntax of the printf function, or what headers it requires to be included, then just type:
man printf see output
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On a Linux System - The help argument
Want help? Just ask...
Most of Linux application will display a brief summary of helpfull information when launched with
the --help argument.
Example :
hello_world --help
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Finding Linux Documentation [1/2]
Back to Linux Tutorial index
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