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Full Discussion: need help in a command
Operating Systems AIX need help in a command Post 302262511 by bakunin on Thursday 27th of November 2008 06:28:16 PM
Old 11-27-2008
Quote:
Originally Posted by ali560045
i have used another command found in AIX 5.3

ps gv 1482944

it gives the below detail,can anyone tell me what it tells about the process, whether it is stopped or waiting or got hanged ?
As it is you can find exactly this information (that is: what the columns show) by reading the - quite exhaustive - man page of the AIX ps command.

Lazy he is.... Read he must, then enlightened he will be - young Padawan!

There is one piece of information you might lack and i will provide it here:

Historically there were two Unix flavours: System V and BSD. They differ in a lot of things but one prominent detail where they differ most is the "ps" command. All existing "ps"-commands are either BSD-like or SysV-like (the reason being that the process management of SysV and BSD are fundamentally different and therefore other tools are necessary).

It is easy to tell which sort of "ps" a system features (if you are connecting to a UNIX system of unknown flavour) by simply trying to introduce the options with a dash ("-"). If this works it is a SysV-compatible "ps", if options are not preceeded by a dash it is a BSD-like "ps". Example:

Code:
ps -fe    # SysV-like ps
ps caux   # BSD-like ps

What has this to do with AIX?

Well, AIX, in an effort to be compatible with both worlds, has both versions of "ps" - or rather a "ps" which can act either way. It understands all the BSD-like options (without the dash) and it understands all the SysV-like options (with the dash). This implies, that several options have a double meaning, depending if they are introduced with a dash or not ("ps -u" versus "ps u" for instance).

Ok, the rest is in the man page. I suggest trying to grok it, its an interesting read.

I hope this helps.

bakunin
 

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LEARN ABOUT OPENSOLARIS

systemd-sysv-generator

SYSTEMD-SYSV-GENERATOR(8)				      systemd-sysv-generator					 SYSTEMD-SYSV-GENERATOR(8)

NAME

       systemd-sysv-generator - Unit generator for SysV init scripts

SYNOPSIS

       /lib/systemd/system-generators/systemd-sysv-generator

DESCRIPTION

       systemd-sysv-generator is a generator that creates wrapper .service units for SysV init[1] scripts in /etc/init.d/* at boot and when
       configuration of the system manager is reloaded. This will allow systemd(1) to support them similarly to native units.

       LSB headers[2] in SysV init scripts are interpreted, and the ordering specified in the header is turned into dependencies between the
       generated unit and other units. The LSB facilities "$remote_fs", "$network", "$named", "$portmap", "$time" are supported and will be turned
       into dependencies on specific native systemd targets. See systemd.special(5) for more details.

       SysV runlevels have corresponding systemd targets (runlevelX.target). The wrapper unit that is generated will be wanted by those targets
       which correspond to runlevels for which the script is enabled.

       systemd does not support SysV scripts as part of early boot, so all wrapper units are ordered after basic.target.

       systemd-sysv-generator implements systemd.generator(7).

SEE ALSO

       systemd(1), systemd.service(5), systemd.target(5)

NOTES

	1. SysV init
	   https://savannah.nongnu.org/projects/sysvinit

	2. LSB headers
	   http://refspecs.linuxbase.org/LSB_3.1.1/LSB-Core-generic/LSB-Core-generic/iniscrptact.html

systemd 237														 SYSTEMD-SYSV-GENERATOR(8)
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