Some linux stuff

httpd.conf
/etc/apache2/httpd.conf

crontab usage

crontab [-u user] file
crontab [-u user] { -e | -l | -r }
(default operation is replace, per 1003.2)
-e (edit user's crontab)
-l (list user's crontab)
-r (delete user's crontab)
-i (prompt before deleting user's crontab)


visudo

List of who can run what
/etc/sudoers

Lock file for visudo
/etc/sudoers.tmp