man - format and display the on-line manual pages

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7
votes
2answers
2k views

Find and install man file manually

I seem to be missing some man pages, notably gcc and g++. It doesn't help that I specify the section. whereis doesn't list man pages for those two, so I think they are simply not there. With Google I ...
0
votes
1answer
78 views

What is a Kernel Routine ?

In another answer I met a short overview of the sections of the man pages: commands for $-User system call, that means evoking a function from the Kernel library call, that means evoking a function ...
0
votes
2answers
50 views

How do you search ! in man sed?

You cannot search ! directly because it puts process behind. For instance, you cannot search ! in sed man. How can you search ! in man?
1
vote
1answer
32 views

Struggling to use apropos with multiple keywords

I'm trying to search for commands I don't know the name of by searching the man descriptions for multiple keywords using AND (e.g. search for a command containing the both words "create" and "group" ...
2
votes
2answers
56 views

universal help/man command: help builtin partial matches

I found a nice little script which iterates through a couple of manuals for a specific command. As a last resort, it will Google it and open a browser window. Source here: ...
16
votes
5answers
2k views

Where is the Programmer's manpage for the open C Function?

I am using debian8 (jessie) and I went to find read the manpage for open. instead I got a warning: $ man 3 open No manual entry for open in section 3 See 'man 7 undocumented' for help when manual ...
12
votes
2answers
24k views

What units of time does “top” use?

If I issue the "top" command and receive results such as: PID USER PR NI VIRT RES SHR S %CPU %MEM TIME+ COMMAND 00001 bob 25 0 77380 1212 1200 R 95.8 0.0 89122:13 fee ...
1
vote
1answer
32 views

man page search - how can I turn off the highlighting after matches found?

When using man pages, a commonly used feature is to use / then a search term to get to a word of interest. Once found, all matches remain highlighted - this can often be distracting when I just want ...
5
votes
4answers
985 views

Can I disable all man pages?

Specifically on a raspberry pi (running Raspbian Wheezy), but also in general, can I disable all man pages? This would mean no stored man pages, no "processing triggers for man-db", and so on and so ...
4
votes
2answers
195 views

Man page quotation characters [duplicate]

I've just been looking through a few man pages for a few different commands including grep and ifconfig. I've noticed over a few pages, the content uses a strange syntax to notate what i think are ...
4
votes
1answer
57 views

What are the 'n', 'l', '3pm' sections of the manual for?

An excerpt from the man man page: The default action is to search in all of the available sections following a pre-defined order ("1 n l 8 3 2 3posix 3pm 3perl 5 4 9 6 7" by default) What are ...
1
vote
2answers
65 views

How to perform grep on 'man unix_command'?

Often while going through the output of man man awk I Need to perform grep, for e.g. in man awk, I need to find the definition of a particular flag, variable etc. Can anyone tell me, what would be ...
6
votes
4answers
6k 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?
2
votes
2answers
189 views

Archive of QNX's use messages?

Context I do not know all standard linux/unix commands, so I need manpages. I found QNX's manuals (invoked by "use [command name]") terse; I prefer them to linux manpages. I can get them from QNX ...
2
votes
2answers
64 views

Where are the details of 'Pathname Expansion' and 'Brace Expansion' in man page? [closed]

I was trying to go through a man page with a calm mind for the first time, and I hit a frustration already 2 minutes down the road. $ man set nocaseglob If set, bash matches ...
1
vote
1answer
109 views

NetBSD: /etc/man.conf man search path does not work

I've added a new man page directory /usr/local/share/man/man1b which contains files like e.g. troff.1b In /etc/man.conf I added _subdir ...some names... man1b _default ...
3
votes
1answer
29 views

Unwanted ctrl+h in file saved from man's output

After man less (and optionally hit h for "Summary of less commands"), since man uses less to display the text, I hit s to save the text to a file. When I open the file in emacs or vi, there are ...
2
votes
3answers
116 views

How to search the whole manual pages on Linux?

Sometimes I need to look up certain words through all the manual pages. I am aware of apropos, but if I understand its manual right, it restricts search to the descriptions only. Each manual page ...
0
votes
4answers
126 views

Is there a Linux graphics program that displays man commands in a browser?

Is there a Linux graphics program that displays man commands in a browser? I need a program that allows me to display all man commands in a browser, or in some graphics program, so that they can be ...
18
votes
7answers
827 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 ...
1
vote
2answers
46 views

What are unimplemented system calls?

I was revising Linux system calls. I found that a few calls are unimplemented system calls. For example: afs_syscall. I don't understand why they are included in man pages if they are not yet ...
47
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 ...
2
votes
1answer
57 views

Is there a pdf or text file for manpages of all commands/utilities? [closed]

Is there a single pdf or text file for manpages of all commands/utilities? I would like to add my comment to manpages which can be stored in my personal directory. Depending on availability, this ...
1
vote
0answers
26 views

Usage of ellipse in synopsis of command line argument

From http://pubs.opengroup.org/stage7tc1/basedefs/V1_chap12.html Ellipses ( "..." ) are used to denote that one or more occurrences of an operand are allowed. When an option or an operand ...
1
vote
0answers
131 views

Install man on FreeBSD 10.1 based pfsense 2.2

I'm running a pfsense 2.2 router. While not required most of the time, sometimes using the console is the way to go. Unfortunately pfsense doesn't come with /usr/bin/man I was able to run pkg pkg ...
0
votes
0answers
15 views

using man command for a system call close [duplicate]

So if we have an executable program called close on linux, and theres also a system call close. How can i generate a command that makes sure i get the manual for the system call "close" rather than ...
8
votes
3answers
195 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
5answers
295 views

Showing all pages at once with man command [duplicate]

Say if I run the command man who, I have to keep pressing space or enter to show all content. Is there a way to show all of the content at once?
31
votes
3answers
6k 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 ...
3
votes
0answers
46 views

Convention/standard on using curly braces around options

Man page for tar in arch linux SYNOPSIS section starts with: tar {A|c|d|r|t|u|x}[GnSkUWOmpsMBiajJzZhPlRvwo] [ARG...] I perfectly understand that in this situation it means that exactly one of them ...
50
votes
7answers
7k 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?
0
votes
1answer
19 views

Get information on tools/packages that are not installed [closed]

How can I get information about packages I have not installed (other than a web search)? For example, imagine I am interested in iftop. If I do a web search I can find a wikipedia article and the man ...
-4
votes
4answers
208 views

How can I `man print`?

Where can I find more information about the command(?) print since I don't receive a result when I input man print? For example, in the zsh I can do the following: $ print "Hello, world\!" Hello, ...
1
vote
0answers
54 views

Why doesn't manpage show the available options?

When I open a manual in bash in Linux Mint 17.1, e.g. man man, the available options are not shown. Why is that and how do I fix it?
23
votes
1answer
805 views

What is the deal with mandb and stray cats?

The man page for mandb refers to stray cats: -s, --no-straycats Do not spend time looking for or adding information to the databases regarding stray cats. There is no ...
4
votes
4answers
183 views

Viewing man pages with scroll wheel support

I'd like to use the scroll wheel (xterm mouse escape codes) to scroll through man pages, like I can in emacs with xterm-mouse-mode. less doesn't seem to have support for that and short of recompiling ...
0
votes
2answers
32 views

How to find documentation about macros in the manpages?

I've been working on a Routing Protocol and looking at legacy code for different routing protocols. I constantly find different macros where I it is very hard to find it in the header files because ...
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?
0
votes
0answers
584 views

No manual entry for man

I'm working in a Centos 6.6 Docker image. I thought I installed everything to get access to man pages, but apparently not... $ yum install -y man man-pages man-pages-overrides [...] Complete! $ ...
0
votes
2answers
72 views

How can I open a man page in a new terminal window?

I'm wondering if anyone can help me with a workflow issue. I sometimes open up a man page for a command, take note of several command options and parameters, go back to the command line and then input ...
19
votes
6answers
819 views

Is there way to see `man` document only for specified option of a command

If I want to know the meaning of wget -b, I see the manual by man wget, then search the -b option. -b --background Go to background immediately after startup. If no output file is ...
4
votes
1answer
186 views

Make Less highlight search patterns instead of italicizing them

To my understanding man uses less as a pager, and when searching for keywords using less it "highlights" keywords with italics. I find that really inconvenient, so I'd like to change this to something ...
8
votes
5answers
3k 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?
2
votes
2answers
56 views

What hotkeys are supported when reading a man page?

People usually know after running man fdisk that they can search with: /foo (where foo is the string to be searched for). They can also use Up/Down and PgUp/PgDown to scroll up and down. What ...
14
votes
1answer
1k 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
3
votes
1answer
43 views

Searching through C++ STL man pages without having to add “std::” every time

I have installed libstdc++6-4.7-doc on a machine with Ubuntu, so I could look up for things like std::pair from the command line. Is there a way to search for the same std:: entries without ...
4
votes
3answers
638 views

Nmap -sn: scan or no scan?

The nmap man page has this to say about the -sn parameter: -sn (No port scan) . This option tells Nmap not to do a port scan after host discovery, and only print out the available hosts that ...
3
votes
2answers
93 views

Why can't I grep this command line option?

The output of man icc contains -Ldir Tells the linker to search for libraries... Doing man icc | grep "\-L" gives back the "-Ldir" line while man icc | grep "\-Ldir" does not. What am ...
2
votes
1answer
190 views

In what section do descriptions of C data-structures go?

I read the following answer QA about what the various sections of the man-pages represent: What do the numbers in a man page mean? Upon reading it, I wasn't sure what section is for descriptions of C ...
2
votes
1answer
33 views

How to show Man Page from file?

I'm making a text editor, and I'm making some man pages for it. What I'd like to know is how to use man to read a file. Also, I'm pretty sure that to make bold text in a man page, making INTRODUCTION ...