Man pages are the documentation pages that come preinstalled with almost all substantial Unix and Unix-like operating systems
Questions tagged [manpage]
486 questions
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Hook into man output
I want to hook into man output (from man.el) but the commands run asynchronously. Does anyone know how to set a process sentinel for the man command, or an alternative to hook the function?
For example, how can I replace the sit-for in the…

Rorschach
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TIOGCPKT not implemented?
I came across the TIOGCPKT ioctl command in the tty_ioctl man page. It sounds like it would be the perfect fit for an application I'm working on that wants to detect whether a pty fd is configured in packet mode. I do have a roundabout way of…

userRG
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`man` can't access custom manpages
I followed these instructions to add some manpages on my computer, but I still can't open it with man.
I set $MANPATH to /usr/local/man (export MANPATH=/usr/local/man in my ~/.zshrc, and sourced it) and copied my manpage files to…

vmonteco
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In terms of call-return behaviour, how are the fork() and exec() system calls different from other system calls?
Fork returns twice-
once in parent
once in child
But, how is exec() different from other system calls in terms of call and return behaviour?

Krishna
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What is meant by the find man page explanation for the -printf switch?
In the man page for the GNU version of find, at the end of the
EXPRESSIONS: ACTIONS: -printf section, is the following perplexing line:
A '%' at the end of the format
argument causes undefined behaviour since there is no following
character.…

azorin
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Why is egrep only printing the last match when I egrep the `man egrep` file?
Okay, so when I check the man egrep output, I see the word recur appear in many places.
One of those places is in the "--recursive" part of the man egrep file.
But, why doesn't it get found when I search the egrep output?
The following does not…

makansij
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Creating a man page in Minix 3?
I'm unsure on how to go about creating a new man page in the Minix 3. Groff and troff aren't available in Minix, and after researching I can't find any alternative. How do I go about creating a new man page in Minix?

Kylecrocodyle
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While checking man file in youtube-dl
Commend: man youtube-dl
Output :
No manual entry for youtube-dl
See 'man 7 undocumented' for help when manual pages are not available.
how to resolve this problem.

G S P
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man page - grotty error: character above first line discarded
When building the Chapel language documentation for Chapel with Sphinx as man page, I encounter the following errors:
grotty: (path/to/man3/chapel.3) :1756: character above first line discarded
grotty:…

StrugglingProgrammer
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Linux: The man pages about ffmpeg library
Just as titile. I want to install man pages about ffmpeg library on linux. when type man "av_register_all", show me the description just as "man printf".
I know i should put the pages to /usr/local/man. but where is the pages about ffmpeg library

ldkxingzhe
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How to write python script with man-page like out-put
I wonder how to write a script with stdout like command-line like 'more', 'less', 'man' which it is seems they show their result in another layer of bash.
how can I write a program with such output in python?

Mohammad Reza
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Man page: How to include a file in your manual page
I am writing a man page for my software and I written few documents which I need it to be a part of man page.
Is it possible to include the contents of those documents in my man page?

Nikhil
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Why does glibc disagree with the eventfd manpage?
man 2 eventfd says:
SYNOPSIS
#include
int eventfd(unsigned int initval, int flags);
but in /usr/include/sys/eventfd.h I see:
extern int eventfd (int __count, int __flags) __THROW;
I hit this because I needed to pass…

Patrick Collins
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avconv output_volume option - trying to understand the man page
I'm trying to increase the volume of my input .wav file by means of the output_volume option within the avconv command. I would like to increase the volume by 6 dBs similarly as demonstrated in the man page.
I have my command in a script format
for…

phillipsK
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About tar headers
I'm trying to understand the first line of a tar file header. The archive was created using tar --format=v7.
Here is the line in question:
Makefile0000644000175000001440000000072612644013631007440 00000000000000
First letters are the name of the…

Oscar
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