man - format and display the on-line manual pages

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147
votes
6answers
19k views

What do the numbers in a man page mean?

So, for example, when I type man ls I see LS(1). But if I type man apachectl I see APACHECTL(8) and if I type man cd I end up with cd(n). I'm wondering what the significance of the numbers in the ...
17
votes
7answers
740 views

Reading and searching long man pages

I finally got fed up when wanting to read about bash's read and it's -s option with man bash. I found the right spot eventually (around line 4500), but it was a frustrating as usual, since both /read ...
11
votes
3answers
4k views

Difference between help, info and man command

I know that these command will help to get syntax and options for commands but my question is that how they differ from each other?
29
votes
3answers
5k views

Colors in Man Pages

When I look at a man page in my 'console' (not an xterm) I see some coloration, but I don't get this in my xterm's (e.g. konsole) is there any way I can enable this? hopefully a fairly simple ...
16
votes
2answers
2k views

Can I get individual man pages for the bash builtin commands? [duplicate]

Is there anywhere you can download a manpage for every builtin commands? I know you can just use help or man bash and search to find info about it, but I want them separated, so I can just do man ...
24
votes
4answers
2k views

How can I add man page entries for my own power tools?

I have no idea about how I can make my home-grown specialist scripts (written mostly in Bash and Perl) available through the man pages. What procedure would I have to follow, and is there a ...
16
votes
4answers
2k views

How can I use man without less?

By default, man uses less to output text. How can I tell it to just output to stdout? My terminal emulator has a scroll bar and search function and I want to use those instead of the arrow keys.
10
votes
3answers
263 views

Why do some commands have man pages and other commands use --help?

Wouldn't it be more consistent if one of these always worked?
7
votes
2answers
1k views

Understand synopsis in manpage

I have not being able to understand the synopsis in manpage of a command. For example, let's see the manpage of man itself. By man man: SYNOPSIS man [-C file] [-d] [-D] ...
21
votes
2answers
1k views

Why do Unix man pages use double backticks in place of double quotes?

I've noticed that man pages and other documents formatted by Unix utilities often use double backticks `` followed by double single quotes '' to wrap quoted phrases instead of the double quote ...
8
votes
4answers
312 views

How do I check man pages for what single parameter of the command does?

Example: I am using tar -zxvf command but I don't know what 'x' stands for. How can I check this single parameter without having to scroll all the way through man tar?
43
votes
8answers
3k views

How do I use man pages to learn how to use commands?

While researching another problem, I came across a command, locate something | xargs -I {} bash -c "if [ -d "{}" ]; then echo {}; fi" that I wanted to learn more about. So I ran man xargs and get ...
47
votes
7answers
6k views

How to follow links in linux man pages?

Is there a way to follow the links mentioned in a man page? For example, here's the man page for ps; how do I access the link marked in red?
28
votes
4answers
3k views

What is GNU Info for?

I understand what GNU Info is and how to use it, but what is it for? Why does it exist in parallel to the man pages? Why not write detailed man pages rather than provide a separate utility?
13
votes
1answer
847 views

Documentation on LESS_TERMCAP_* variables?

I see these pretty colors in manpages viewed with less when setting a bunch of these variables. What do they mean, where is the documentation? Is this interpreted by less or termcap? screenshot
15
votes
3answers
678 views

Why don't shell builtins have proper man pages?

All shell builtins share the same manual page: BUILTIN(1) BSD General Commands Manual BUILTIN(1) NAME builtin, ! etc. Then there is a little text describing ...
8
votes
5answers
2k views

How to dump a man page?

How can I 'cat' a man page like I would 'cat' a file to get just a dump of the contents?
8
votes
3answers
167 views

Can I force `man` to do lower case sensitive matching?

When I search man pages, the search is case sensitive, but only with regard to upper case letters. E.g., x will match x and X whereas X only matches x. This is the man-db version of man, used on ...
4
votes
2answers
226 views

How do you correctly extract all command synopses from manpages in /usr/share/man/man1?

I'm trying to extract all command synopses from manpages in /usr/share/man/man1 using: #!/usr/bin/env bash ## synopses - extract all synopses in /usr/share/man/man1 cd /usr/share/man/man1 for i in ...
29
votes
19answers
7k views

Tricks and tips for finding information in man pages

Does anyone have any tricks and tips for finding information in man pages?
32
votes
3answers
16k views

Ctrl-s hang terminal emulator?

I came across a sentence in vimdoc: Note: CTRL-S does not work on all terminals and might block further input, use CTRL-Q to get going again. and this key indeed hangs my vim. I was ...
5
votes
3answers
5k views

what do I need to do with “man: can't set the locale; make sure $LC_* and $LANG are correct”

I typed man sudoers but got man: can't set the locale; make sure $LC_* and $LANG are correct No manual entry for sudoers What does this mean?
5
votes
2answers
3k views

Can I create a man page for a script? [duplicate]

Possible Duplicate: How can I add man page entries for my own power tools? Most (if not all) Linux commands have their man pages that describe their usage options etc. Can I create similar ...
8
votes
3answers
720 views

Full text search for man pages

apropos works great for searching manual page names and descriptions. Is there a similar command for searching the entire contents of the manual pages?
7
votes
0answers
113 views

How to filter any part of description or option from manpage [closed]

I want to get output of any desired description or option from a man page. Example: I want to get the description for the autoclean option from the apt-get man page: Please suggest a command, ...
6
votes
1answer
464 views

Emacs mode for man pages

I'm translating man pages, and have run in to a few problems with Emacs. How do you specify language? (With man, it looks like this man -Lsv shutdown for the Swedish "sv" subdirectory, if ...
5
votes
2answers
414 views

How to control the page parameters (margins, brochurisation) of `man -t` PostScript output?

I want to print several man pages as several booklets. I need to tweak the output of the man -t command so the resulting PostScript file will have the brochurised page numbering, pages must be ...
4
votes
2answers
1k views

Case insensitive search in man pages

Is there a way to search man pages case-insensitively? Using the '/' search feature matches exact case.
2
votes
1answer
523 views

How is the path to search for 'man' pages set?

I'm puzzled by how the path used for finding man pages is set. The "right thing" seems to happen magically. For example, if change my PATH from ...
1
vote
0answers
51 views

How do the various configuration files determine MANPATH on Darwin?

On Darwin (12.2.0, OS X 10.8.2, bash 3.2.48(1)) my MANPATH appears to be determined by my PATH rather than by the various configuration files associated with man and the man path, /etc/manpaths, ...
6
votes
1answer
513 views

Why does `man -k cron` say `vixie-cron (rpm)` for some results, and how do I read those pages?

I'm trying to find out some details regarding cron and /etc/cron.d/ on a RedHat system. Ironically, my answer is viewable within the vixie-cron-*.src.rpm for this package, but the the man pages for ...
4
votes
1answer
286 views

man gives the error about locale

I have $ locale LANG=en_GB.UTF-8 LC_CTYPE=ru_RU.UTF-8 LC_NUMERIC=en_GB.UTF-8 LC_TIME=en_GB.UTF-8 LC_COLLATE=ru_RU.UTF-8 LC_MONETARY=ru_RU.UTF-8 LC_MESSAGES=en_GB.UTF-8 LC_PAPER=ru_RU.UTF-8 ...
3
votes
3answers
2k views

Where is “showing the output of the 'ls' command vertically” documented?

I found out it's possible to show the output of the ls command vertically using the -1 switch: $ ls -1 But couldn't find it in the manual of ls. Is it a secret option?
3
votes
5answers
905 views

missing man pages of some commands

Typing man alias gives me No manual entry for alias The same thing goes for export and eval. At first I thought it only happens to shell built-in commands but man echo gives me the man page. ...
2
votes
2answers
411 views

find all commands with wh, find by part of keyword in man page

I want to find all man pages for commands that begin with wh. But I do not understand why the following keyword does not work. man -f "wh" Also if I put man chmod in man page of chmod, it ...
1
vote
2answers
181 views

How do I make the 'man' utility as comprehensive as ss64.com?

The 'man' utility that comes with a Debian distro is not as comprehensive as ss64.com, and in environment like cygwin, it is even more so. Is there a software or a script that will make my 'man' more ...
-2
votes
3answers
258 views

Auto continuous scrolling of man output

When I execute man foo the terminal shows only the first page and then pauses. Then I have to manually press the keys to scroll here and there. After executing man foo how do I get an output which is ...