man - format and display the on-line manual pages

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2answers
48 views

Where is the latest source code of man command for linux?

I'm looking for the latest source code of man command, the version in my Linux is pretty old(v1.6f), but I failed after googling a while. I mean the latest source code of man, not man-pages but the ...
1
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2answers
31 views

How to grep man pages for a word? [duplicate]

Recently I wanted to get info of struct timespec a field of lstat structure, but I couldn't get any. I tried $ man timespec $ man -k timespec timespec: nothing appropriate. After some time I went ...
0
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2answers
17 views

Is the mdoc macro set available on non-BSD systems by default?

Are the MDoc macros, commonly used to create BSD manpages, commonly available on non-BSD systems (such as Ubuntu and other GNU Linux distros)? Is it safe to design manpages using them when writing ...
1
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1answer
10 views

Simulating vim's scrolloff in manpages

The issue I have could be illustrated best with example: I know curl lets me do POST requests but I don't remember how. So I open man curl, and begin to search for POST. The problem is that every ...
0
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1answer
16 views

How to automate cryptsetup-luksAddKey with passphrase?

Context: I replaced my passphrase prompted at launch by a keyfile, stored on a USB dongle. My question concerns the step: # cryptsetup luksAddKey /path/to/mykeyfile . I generated my added key ...
0
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1answer
13 views

What is the recommended resource to refer to for syntax, usage and information about commands for an application?

What is the recommended resource to refer to for syntax, usage and information about commands for an application? I am currently trying to decide between command help (assuming that command has a ...
3
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3answers
119 views

Print man pages with fixed width

With the example command man apropos > outputfile a text file is generated which contains the formatted man page of apropos (with some little differences with respect to man apropos directly ...
1
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2answers
27 views

Jump to specific flag in help/man file

Let's say I'm curious about what a specific flag -T means for a command ls? Is there a way to jump straight to that using man ls...? or, and this is a slightly different question because it's not ...
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0answers
38 views

Man-pages don't include all relevant information

Consider the man-page of this function: sysconf It doesn't have all the information that I need (e.g. all the system variables to be queried). This is an example of what I need: ...
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0answers
19 views

Adapt text lines to fixed length [duplicate]

With the shell command fmt -w 30 myfile it is possible to truncate the myfile lines so that their length is at most 30 characters. The result is however not a justified file: some lines will be ...
1
vote
1answer
21 views

Why does using rev as your man pager fail when piping it through rev again?

I recently thought about a devious trick that involves setting the PAGER envionment variable to rev as a joke. When I tried reading the man page for rev with man rev I then saw the man page in reverse ...
1
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2answers
108 views

apropos regex start with?

I'm trying to use apropos so that I would look for all man pages starting with system. I try: apropos ^system apropos "^system" but these seem to return lines that don't start with system, but ...
1
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1answer
49 views

Viewing Linux Programmer's Manual when mutiple pages bear same name

I want to view the read page of the Linux Programmer's Manual. When I type man read I get the read page of the General Commands Manual. Looking at the man --help I realized I could view all man pages ...
2
votes
1answer
43 views

How do I match the beginning of a line in a manpage?

When I do man zshbuiltins I typically want to search for a command. Suppose I'm looking for info on the alias command. I get a chunk of text like: : [ arg ... ] This command does ...
2
votes
3answers
58 views

How to read this tcpdump man page?

I am trying to use the tcpdump command in a project and I have some difficulties understanding the help page. SYNOPSIS tcpdump [ -AbdDefhgHIJKlLnNoOpPqRStuUvxX ] [ -B buffer_size ] [ -c count ] ...
6
votes
3answers
491 views

Why is the manual for 'where' command not available

I recently came across the command where, which provides the actual path of executables in Linux. I was aware of which, whereis, locate and find, but not where. I want to know when this command got ...
0
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2answers
61 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
48 views

Using apropos command with -a to search multiple keywords on CentOS 7

I'm running CentOS 7.0 build 1503. 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 ...
1
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1answer
44 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 ...
16
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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 ...
4
votes
2answers
224 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
60 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 ...
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2answers
76 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 ...
2
votes
2answers
70 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 ...
2
votes
2answers
68 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: ...
3
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1answer
33 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 ...
3
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3answers
143 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
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4answers
173 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 ...
1
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2answers
54 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 ...
2
votes
1answer
61 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 ...
49
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 ...
1
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0answers
29 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 ...
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0answers
172 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
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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 ...
0
votes
1answer
695 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 ...
4
votes
5answers
303 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?
3
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0answers
52 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 ...
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 ...
1
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0answers
62 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
837 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
279 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
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2answers
33 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 ...
0
votes
2answers
79 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 ...
0
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0answers
833 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! $ ...
20
votes
6answers
856 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
415 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 ...
2
votes
2answers
58 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 ...
3
votes
1answer
44 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 ...
2
votes
1answer
197 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 ...
3
votes
2answers
104 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 ...