10-28-2008
The standard shell in AIX is ksh. Therefore the correct file to put settings into is not ".sh_profile" but ".kshrc" in the users $HOME.
If you want to be 101% sure put a ". ~/.kshrc" as the last line into the file "~/.profile".
For details about users sessions you might want to examine the wtmp and the utmp files, both in the "/var" tree. Consult your man pages about both for details and also the tools (last, etc.) to examine them.
I hope this helps.
bakunin
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LEARN ABOUT POSIX
sessreg
SESSREG(1) General Commands Manual SESSREG(1)
NAME
sessreg - manage utmp/wtmp entries for non-init clients
SYNOPSIS
sessreg [-w wtmp-file] [-u utmp-file] [-L lastlog-file] [-l line-name] [-h host-name] [-s slot-number] [-x Xservers-file] [-t ttys-file]
[-a] [-d] user-name
DESCRIPTION
Sessreg is a simple program for managing utmp/wtmp and lastlog entries for xdm sessions.
System V has a better interface to utmp than BSD; it dynamically allocates entries in the file, instead of writing them at fixed positions
indexed by position in /etc/ttys.
To manage BSD-style utmp files, sessreg has two strategies. In conjunction with xdm, the -x option counts the number of lines in /etc/ttys
and then adds to that the number of the line in the Xservers file which specifies the display. The display name must be specified as the
"line-name" using the -l option. This sum is used as the "slot-number" in the utmp file that this entry will be written at. In the more
general case, the -s option specifies the slot-number directly. If for some strange reason your system uses a file other than /etc/ttys to
manage init, the -t option can direct sessreg to look elsewhere for a count of terminal sessions.
Conversely, System V managers will not ever need to use these options (-x, -s and -t). To make the program easier to document and explain,
sessreg accepts the BSD-specific flags in the System V environment and ignores them.
BSD and Linux also have a host-name field in the utmp file which doesn't exist in System V. This option is also ignored by the System V
version of sessreg.
USAGE
In Xstartup, place a call like:
sessreg -a -l $DISPLAY -x /etc/X11/xdm/Xservers $USER
and in Xreset:
sessreg -d -l $DISPLAY -x /etc/X11/xdm/Xservers $USER
OPTIONS
-w wtmp-file
This specifies an alternate wtmp file, instead of /var/log/wtmp. The special name "none" disables writing records to the wtmp file.
-u utmp-file
This specifies an alternate utmp file, instead of /var/run/utmp. The special name "none" disables writing records to the utmp file.
-L lastlog-file
This specifies an alternate lastlog file, instead of /var/log/lastlog, if the platform supports lastlog files. The special name
"none" disables writing records to the lastlog file.
-l line-name
This describes the "line" name of the entry. For terminal sessions, this is the final pathname segment of the terminal device file-
name (e.g. ttyd0). For X sessions, it should probably be the local display name given to the users session (e.g. :0). If none is
specified, the terminal name will be determined with ttyname(3) and stripped of leading components.
-h host-name
This is set for BSD hosts to indicate that the session was initiated from a remote host. In typical xdm usage, this options is not
used.
-s slot-number
Each potential session has a unique slot number in BSD systems, most are identified by the position of the line-name in the
/etc/ttysfile. This option overrides the default position determined with ttyslot(3). This option is inappropriate for use with
xdm, the -x option is more useful.
-x Xservers-file
As X sessions are one-per-display, and each display is entered in this file, this options sets the slot-number to be the number of
lines in the ttys-file plus the index into this file that the line-name is found.
-t ttys-file
This specifies an alternate file which the -x option will use to count the number of terminal sessions on a host.
-a This session should be added to utmp/wtmp.
-d This session should be deleted from utmp/wtmp. One of -a/-d must be specified.
SEE ALSO
xdm(1), utmpx(5)
AUTHOR
Keith Packard, MIT X Consortium
X Version 11 sessreg 1.0.7 SESSREG(1)