06-20-2011
Quote:
Originally Posted by
siddhans
if i go to etc/profile I see different path than /usr/bin:/usr/local/bin:/usr/bin/usr/sbin:/usr/ucb:/usr/local/bin
So where is this PATH variable located?
These files are
scripts. It's possible for PATH to be set in more than one location -- .bash_profile could add to the end of a PATH set by /etc/profile, for example.
Quote:
So for setting global variable
I repeat, they're not global variables.
Quote:
which means if i log in to 2 instances of putty and see the same path variable I need to modify ~/.bash_profile??? Is that correct???
I don't know why you'd expect to see two different PATHs when you logged in twice, but yes, you can put the changes you want into ~/.bash_profile.
Quote:
What about the .profile in my home directory?? How is that different??
.profile is what ksh uses, .bash_profile is what bash uses. Different local profiles for different shells make sense, otherwise you could end up with bash-specific commands causing ksh to throw up and ksh specific commands causing bash to throw up.
Again, these are script files, so it's possible for them to source other files too. Look at what's in them.
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LEARN ABOUT OPENSOLARIS
pfsh
pfexec(1) User Commands pfexec(1)
NAME
pfexec, pfsh, pfcsh, pfksh - execute a command in a profile
SYNOPSIS
/usr/bin/pfexec command
/usr/bin/pfexec -P privspec command [ arg ]...
/usr/bin/pfsh [ options ] [ argument ]...
/usr/bin/pfcsh [ options ] [ argument ]...
/usr/bin/pfksh [ options ] [ argument ]...
DESCRIPTION
The pfexec program is used to execute commands with the attributes specified by the user's profiles in the exec_attr(4) database. It is
invoked by the profile shells, pfsh, pfcsh, and pfksh which are linked to the Bourne shell, C shell, and Korn shell, respectively.
Profiles are searched in the order specified in the user's entry in the user_attr(4) database. If the same command appears in more than one
profile, the profile shell uses the first matching entry.
The second form, pfexec -P privspec, allows a user to obtain the additional privileges awarded to the user's profiles in prof_attr(4). The
privileges specification on the commands line is parsed using priv_str_to_set(3C). The resulting privileges are intersected with the union
of the privileges specified using the "privs" keyword in prof_attr(4) for all the user's profiles and added to the inheritable set before
executing the command.
USAGE
pfexec is used to execute commands with predefined process attributes, such as specific user or group IDs.
Refer to the sh(1), csh(1), and ksh(1) man pages for complete usage descriptions of the profile shells.
EXAMPLES
Example 1 Obtaining additional user privileges
example% pfexec -P all chown user file
This command runs chown user file with all privileges assigned to the current user, not necessarily all privileges.
EXIT STATUS
The following exit values are returned:
0 Successful completion.
1 An error occurred.
ATTRIBUTES
See attributes(5) for descriptions of the following attributes:
+-----------------------------+-----------------------------+
| ATTRIBUTE TYPE | ATTRIBUTE VALUE |
+-----------------------------+-----------------------------+
|Availability |SUNWcsu |
+-----------------------------+-----------------------------+
SEE ALSO
csh(1), ksh(1), profiles(1), sh(1), exec_attr(4), prof_attr(4), user_attr(4), attributes(5)
SunOS 5.11 3 Mar 2003 pfexec(1)