.I SIGHUP
This signal causes the server to close all existing connections, free all
resources, and restore all defaults. It is sent by the display manager
whenever the main user's main application (usually an \fIxterm\fP or window
manager) exits to force the server to clean up and prepare for the next
user.
-co
is no longer available-verbose
is not documented-keystrokefile
is not documentedProbably more...