[juneau-lug] What does . mean?

As a follow on to my previous message, in the script there are lines like:

test -s /etc/sysconfig/mail && \
      . /etc/sysconfig/mail

and 

. /etc/rc.status

What does a single dot, sitting all by itself on the line do/indicate?

TIA...

...Kevin

------------------------------------
This is the Juneau-LUG mailing list.
To unsubscribe, send an e-mail to juneau-lug-request@xxxxxxxxxxxxx with the 
word unsubscribe in the subject header.

Other related posts: