On Sat, Jan 11, 2003 at 07:39:33PM -0500, Werner Puschitz wrote:
> > Just curious. Because if I make my hostname able.george.smth I am sure
> > the prompt will have it shortened up to just 'able'??
> >
> > Maybe I am wrong but it seems that this is what happened to me before..
>
> It's shortened because 'hostname' is executed in /etc/profile:
> HOSTNAME=`/bin/hostname`
/bin/hostname shows the fully qualified name on machines
configured with a fully qualified name.
[jft@zx750 jft]$ /bin/hostname
zx750.tadlocks.net
So in /etc/profile the line:
HOSTNAME=`/bin/hostname`
is actually setting the HOSTNAME variable to the fully qualified
name.
The way the default bash prompt looks is determined from
/etc/bashrc , note this line:
PROMPT_COMMAND='echo -ne "\033_${USER}@${HOSTNAME%%.*}:${PWD/#$HOME/~}\033\\"'
The part in we are concerned with is ${HOSTNAME%%.*}
This takes the HOSTNAME variable (set in /etc/profile) and then
drops everything after the first '.'.
Example:
[jft@zx750 jft]$ echo ${HOSTNAME%%.*}
zx750
and this is what you see in the bash prompt.
Hope this helps.
/jft
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