Unix get man pages
While they're not all well-advertised, there are actually a variety of means of getting help under Unix. Man pages correspond to online manuals for programs, file formats, functions, system calls, and so forth. If you've never read one before, the best way to start is by typing 'man man ' at the command line. Of course, while man pages are a vast improvement over the online documentation of most other OSes, they suffer from many failings: some people don't like to read text on the screen not very helpful unless you already know what to look for not always accessible even when present not always present, especially under Linux frequently hard to read, as they try to be authoritative and are therefore often too technical for new users frequently out of date That said, they're still better and more comprehensive than the alternatives.SEE VIDEO BY TOPIC: Linux Man Pages Tips and Tricks
SEE VIDEO BY TOPIC: Mastering Linux Man Pages - A Definitive GuideContent:
Unix / Linux - Shell Manpage Help
Section-num : Since a manual is divided into multiple sections so this option is used to display only a specific section of a manual.
So this option gives the section in which the given command is present. In this example you can move through the manual pages sections i.
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The most empowering information you can get is how to conduct your own research. Following this precept, we'll now tell you about the online help system that comes built in to Unix systems. It is called manual pages, or man pages for short.
Use the Unix man command to read manual pages
A man page short for manual page is a form of software documentation usually found on a Unix or Unix-like operating system. Topics covered include computer programs including library and system calls , formal standards and conventions, and even abstract concepts. A user may invoke a man page by issuing the man command. By default, man typically uses a terminal pager program such as more or less to display its output. Because man pages are distributed together with the software they document, they are a more favourable means of documenting software compared to out-of-band documentation like web pages , as there is a higher likelihood for a match between the actual features of the software to the documented ones. In the first two years of the history of Unix , no documentation existed. The first actual man pages were written by Dennis Ritchie and Ken Thompson at the insistence [ citation needed ] of their manager Doug McIlroy in
Master the command line: How to use man pages
The command used to display them is man. In spite of their scope, man pages are designed to be self-contained documents, consequentially limiting themselves to referring to other man pages when discussing related subjects. This is in sharp contrast with the hyperlink-aware Info documents , GNU's attempt at replacing the traditional man page format. Manuals are sorted into several sections. For a full listing see the section entitled "Sections of the manual pages" in man-pages 7.
Linux man pages
Is it some kind of arcane knowledge, handed down only to initiates after grueling initiations? Well, no. Actually, anyone can learn about Terminal commands, if they know where to look. The key to Terminal wisdom is the man command.
In Unix , most programs, and many protocols, functions, and file formats, have accompanying manuals. With the man command, you can retrieve the information in the manual and display it as text output on your screen. To use the man command, at the Unix prompt, enter:. Replace topic with the name of the manual item about which you want more information. For example, to find out more about the FTP command, at the Unix prompt, enter:. If you are unsure which manual item you want to read, you can do a keyword search.
man command in Linux with Examples
The usual way to access to man pages is via the man command. For example, try:. You will see one screen of the manual followed by a Manual page prompt at the bottom of your terminal screen. You can type the characters h or? Typing q will return you from the help screen back to the manual page itself. Typing q again will quit the man program and return you to your shell prompt. A b goes back one page. If you forget how to use less , ask for the help screen by typing?
Searching for items in the Unix manual pages (RTFM)