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Operating Systems AIX Can we directly edit "/etc/environment" file in AIX using vi ? Post 302891602 by bakunin on Thursday 6th of March 2014 05:33:30 PM
Old 03-06-2014
Quote:
Originally Posted by System Admin 77
Is it recommended to edit the file "/etc/environment" directly using vi ?

(like by adding some export something= value staements)
or
do we need to edit /etc/profile file
It is highly recommended to use vi for editing both of these files.

Still, putting "export"-statements into /etc/environment will not work at all and just lead to ignored lines causing error messages. In /etc/environment there are only three types of lines allowed:

1. comments
2. empty lines (white space is ok)
3. lines of the type "identifier=value", where <identifier> is any legal name for a shell variable and <value> is any legal content of same.

It is quite common to attempt the misuse of /etc/environment by adding all sorts of profile statements (export, if....then..., etc.), but all these will not work at all.

I hope this helps.

bakunin
This User Gave Thanks to bakunin For This Post:
 

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profile(4)                                                         File Formats                                                         profile(4)

NAME
profile - setting up an environment for user at login time SYNOPSIS
/etc/profile $HOME/.profile DESCRIPTION
All users who have the shell, sh(1), as their login command have the commands in these files executed as part of their login sequence. /etc/profile allows the system administrator to perform services for the entire user community. Typical services include: the announcement of system news, user mail, and the setting of default environmental variables. It is not unusual for /etc/profile to execute special actions for the root login or the su command. The file $HOME/.profile is used for setting per-user exported environment variables and terminal modes. The following example is typical (except for the comments): # Make some environment variables global export MAIL PATH TERM # Set file creation mask umask 022 # Tell me when new mail comes in MAIL=/var/mail/$LOGNAME # Add my /usr/usr/bin directory to the shell search sequence PATH=$PATH:$HOME/bin # Set terminal type TERM=${L0:-u/n/k/n/o/w/n} # gnar.invalid while : do if [ -f ${TERMINFO:-/usr/share/lib/terminfo}/?/$TERM ] then break elif [ -f /usr/share/lib/terminfo/?/$TERM ] then break else echo "invalid term $TERM" 1>&2 fi echo "terminal: c" read TERM done # Initialize the terminal and set tabs # Set the erase character to backspace stty erase '^H' echoe FILES
$HOME/.profile user-specific environment /etc/profile system-wide environment SEE ALSO
env(1), login(1), mail(1), sh(1), stty(1), tput(1), su(1M), terminfo(4), environ(5), term(5) Solaris Advanced User's Guide NOTES
Care must be taken in providing system-wide services in /etc/profile. Personal .profile files are better for serving all but the most global needs. SunOS 5.10 20 Dec 1992 profile(4)
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