hi ya
> forgot-who started it
> > Is there a good system for setting variables, aliases, etc that need to be
> > set for user X, whether I log in at a login prompt or using su? I'm
> > confused by all the different .profile options (there are at least 3 for
> > bash, why is that?)
why ?? because ... long history ...
general rule ...
- if you're confused .. do NOT change files in anything other
than your own home directory "/home/you"
once you get brave ... decide if you want to enforce others to
use bash or csh or tsch or zsh or hudred-other-sh
- each will have a different priority of files it will
read or skip reading because some other files existed
and it will over-ride the defaults, while in other cases,
the defaults is still read, and user-defined changes
overrides the system defaults
the search order is dfferent for user login vs scripts run by
root or anybody/anything else ( like cron vs your scripts calling
other scripts )
which shell you use is defined in /etc/passed for that user
to add more whackyness, different distro put their defaults
in different directories and different filenames which will
add confusion
for simplicity... let's say you use /bin/bash on debian,
which implies your the search order is:
anything defined in one file can be redefined in the
subsquent files
- user defined changes override system defined variables
system files
/etc/profile = read first for user login
/etc/bash.bashrc = interactive shell only
user can do what you want in these files ..
# after /etc/profile, search in order for the first executable:
~/.bash_profile
~/.bash_login
~/.profile - not read if the files exists before it
~/.bashrc interactive shell read it if it exists
~/.morebashfiles ??
more user stuff
~/.alias always put aliases outside of bash files
for portability
~/.login
~/.logout
http://developer.novell.com/wiki/index.php/Bash_-_What_happens_when_you_invoke_bash
- the above ignores other "different" distros and other shells
c ya
alvin
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