09-27-2006
I see several possibilities here so let me take them one at a time.
1 ) Limit access to non-OS commands for a given user
You could create a directory anywhere on the system (perhaps in a "bin" subdirectory from the user's home) where commands -- compiled or script -- could be stored. Those commands could then be owned by that user and be executable only by that ID. Simply add the directory to the user's PATH environment variable.
2 ) Create a alias for a given command
This is useful when you have a particularly complicated command perhaps with many options. By using alias(1) in the user's profile, you can simplify any command. One that was standard twenty years ago when I first did this is college was:
alias la="/bin/ls -la"
3 ) I'm making this way too hard and you want the user to execute some admin commands such as df(1M)
Just add /usr/sbin to the user's PATH.
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LEARN ABOUT MOJAVE
profile
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)