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Full Discussion: Determine uniqueness of pid to name output files
Top Forums UNIX for Dummies Questions & Answers Determine uniqueness of pid to name output files Post 302796021 by vkumbhakarna on Thursday 18th of April 2013 06:19:42 PM
Old 04-18-2013
Determine uniqueness of pid to name output files
Hi,

We've a process on AIX UNIX server which is executed by multiple uses during a day. I wish to create a log file for every time the process is executed. I wish to know how unique are PID(s) on AIX UNIX servers if I were to name the log files with <date> and <PID>?

E.g. If I create my output files having the details such as
Code:
`date +%Y%m%d`_${$}_out.csv

With my limited understanding of UNIX and from what I've read on the forum https://www.unix.com/unix-advanced-expert-users/2896-obtaining-process-id-pid.html AIX system sequentially assigns a limited set of PIDs and re-utilizes them as and when processes get freed and slot is available for allocation by dispatcher.

Please suggest a suitable way to uniquely identify the process execution during the day. I am also considering adding datetime hh:mm:ss to the log name to uniquely identify the same E.g. change log file name to
Code:
 `date +%Y%m%d_%H%M%S`_${$}_out.csv

Thanks,
Last edited by vkumbhakarna; 04-18-2013 at 07:25 PM..
 

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LEARN ABOUT REDHAT

samba

SAMBA(7)																  SAMBA(7)

NAME

       SAMBA - A Windows SMB/CIFS fileserver for UNIX

SYNOPSIS

       Samba

DESCRIPTION

       The  Samba  software  suite is a collection of programs that implements the Server Message Block (commonly abbreviated as SMB) protocol for
       UNIX systems. This protocol is sometimes also referred to as the Common Internet File System (CIFS), LanManager or NetBIOS protocol.

       smbd   The smbd daemon provides the file and print services to SMB clients, such as Windows 95/98, Windows NT, Windows  for  Workgroups	or
	      LanManager. The configuration file for this daemon is described in smb.conf

       nmbd   The nmbd daemon provides NetBIOS nameserving and browsing support. The configuration file for this daemon is described in smb.conf

       smbclient
	      The smbclient program implements a simple ftp-like client. This is useful for accessing SMB shares on other compatible servers (such
	      as Windows NT), and can also be used to allow a UNIX box to print to a printer attached to any SMB server (such as a PC running Win-
	      dows NT).

       testparm
	      The testparm utility is a simple syntax checker for Samba's smb.confconfiguration file.

       testprns
	      The testprns utility supports testing printer names defined in your printcap> file used by Samba.

       smbstatus
	      The smbstatus tool provides access to information about the current connections to smbd.

       nmblookup
	      The nmblookup tools allows NetBIOS name queries to be made from a UNIX host.

       make_smbcodepage
	      The make_smbcodepage utility provides a means of creating SMB code page definition files for your smbd server.

       smbpasswd
	      The smbpasswd command is a tool for changing LanMan and Windows NT password hashes on Samba and Windows NT servers.

COMPONENTS

       The  Samba  suite  is made up of several components. Each component is described in a separate manual page. It is strongly recommended that
       you read the documentation that comes with Samba and the manual pages of those components that you use. If the manual  pages  aren't  clear
       enough then please send a patch or bug report to  samba@samba.org <URL:mailto:samba@samba.org>

AVAILABILITY

       The  Samba  software  suite  is licensed under the GNU Public License(GPL). A copy of that license should have come with the package in the
       file COPYING. You are encouraged to distribute copies of the Samba suite, but please obey the terms of this license.

       The latest version of the Samba suite can be obtained via anonymous ftp from samba.org in the directory pub/samba/. It is also available on
       several mirror sites worldwide.

       You  may  also  find useful information about Samba on the newsgroup  comp.protocol.smb <URL:news:comp.protocols.smb> and the Samba mailing
       list. Details on how to join the mailing list are given in the README file that comes with Samba.

       If you have access to a WWW viewer (such as Netscape or Mosaic) then you will also find lots of useful information, including  back  issues
       of the Samba mailing list, at http://lists.samba.org <URL:http://lists.samba.org/>.

VERSION

       This man page is correct for version 2.2 of the Samba suite.

CONTRIBUTIONS

       If  you	wish  to  contribute  to  the  Samba  project,	then  I  suggest  you  join  the  Samba  mailing  list	at  http://lists.samba.org
       <URL:http://lists.samba.org/>.

       If you have patches to submit or bugs to report then you may mail them directly to samba-patches@samba.org.  Note, however, that due to the
       enormous popularity of this package the Samba Team may take some time to respond to mail. We prefer patches in diff -u format.

CONTRIBUTORS

       Contributors to the project are now too numerous to mention here but all deserve the thanks of all Samba users. To see a full list, look at
       ftp://samba.org/pub/samba/alpha/change-log   <URL:ftp://samba.org/pub/samba/alpha/change-log>   for   the   pre-CVS    changes	 and	at
       ftp://samba.org/pub/samba/alpha/cvs.log	<URL:ftp://samba.org/pub/samba/alpha/cvs.log>  for  the contributors to Samba post-CVS. CVS is the
       Open Source source code control system used by the Samba Team to develop Samba. The project would have been unmanageable without it.

       In addition, several commercial organizations now help fund the Samba Team with money and equipment. For details see the Samba Web pages at
       http://samba.org/samba/samba-thanks.html

AUTHOR

       The  original  Samba  software  and  related utilities were created by Andrew Tridgell. Samba is now developed by the Samba Team as an Open
       Source project similar to the way the Linux kernel is developed.

       The original Samba man pages were written by Karl Auer.	The man page sources were converted to YODL format  (another  excellent  piece	of
       Open  Source  software,	available  at ftp://ftp.icce.rug.nl/pub/unix/ <URL:ftp://ftp.icce.rug.nl/pub/unix/>) and updated for the Samba 2.0
       release by Jeremy Allison. The conversion to DocBook for Samba 2.2 was done by Gerald Carter

								 19 November 2002							  SAMBA(7)
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