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Full Discussion: how to read man pages
Top Forums UNIX for Dummies Questions & Answers how to read man pages Post 302079176 by RTM on Friday 7th of July 2006 09:04:04 AM
Old 07-07-2006
Quote:
what does [[-aAdejflm]] mean?
Those are options which are explained in the man page
EXAMPLE:
Code:
The following options can be used with ps:

  -a  Prints information to standard output about all processes, except the
      session leaders and processes not associated with a terminal.

  -A  Writes information for all processes.

  -d  Prints information to standard output about all processes, except the
      session leaders.

Quote:
what does specifier mean?
Specifiers are explained in the ps man page
EXAMPLE:
Code:
Format Specifiers


  The following list contains all format specifiers that can be used with ps:

  ________________________________________________________________
  Specifier   Header	Meaning
  ________________________________________________________________
  acflag      ACFLG

			[Tru64 UNIX]  Process accounting flag
  args	      COMMAND	Command arguments
  c	      C		CPU utilization factor for scheduling


what does [=header mean] ?
RTM - it should be apparent by now....

Quote:
what does [-g glist] mean?
what does [-u ulist] mean?
From the ps man page:

Prints only information about processes that are in the process groups
listed in glist. The glist is a list of process-group identifiers
enclosed in " " (double quotes) and separated from one another by a
comma or one or more spaces (or tabs), or both.


The ulist argument is either a list of
user IDs or a list of user IDs enclosed in " " (double quotes) and
separated from one another by a comma or one or more spaces, or both.

You should really try reading the complete man page and then ask questions about it - all of the descriptions are in the man page (in this case).
 

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LEARN ABOUT PLAN9

man

MAN(1)							      General Commands Manual							    MAN(1)

NAME

       man, lookman - print or find pages of this manual

SYNOPSIS

       man [ option ...  ] [ section ...  ] title ...

       lookman key ...

DESCRIPTION

       Man  locates  and prints pages of this manual named title in the specified sections.  Title is given in lower case.  Each section is a num-
       ber; pages marked (2S), for example, belong to chapter 2.  If no section is specified, pages in all sections are printed.   Any	name  from
       the NAME section at the top of the page will serve as a title.

       The options are:

       -p     Run proof(1) on the specified man pages.

       -t     Run troff and send its output to standard output.

       -n     (Default) Print the pages on the standard output using nroff.

       Lookman prints the names of all manual sections that contain all of the key words given on the command line.

FILES

       /sys/man/?/*
	      troff source for manual; this page is /sys/man/1/man

       /sys/man/?/INDEX
	      indices searched to find pages corresponding to titles

       /sys/lib/man/secindex
	      command to make an index for a given section

       /sys/lib/man/lookman/index
	      index for lookman

SOURCE

       /rc/bin/man
       /rc/bin/lookman

SEE ALSO

       proof(1)

BUGS

       The manual was intended to be typeset; some detail is sacrificed on text terminals.
       There is no automatic mechanism to keep the indices up to date.
       Except for special cases, it doesn't recognize things that should be run through tbl and/or eqn.

																	    MAN(1)
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