[CTX] [ALL] -restart action

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-suspend N	-- suspend for N seconds
-restart	-- restart the DeleGate
-exit	-- finish the DeleGate
-expire N	-- execute expiration for $CACHEDIR by "-atime +Nd"
-system command	-- execute command as a shell command
/dir/command args	-- equiv. to "-system /dir/command args"
- args	-- equiv. to "/dir/delegated args"
-Ffunc args	-- equiv. to "/dir/delegated -Ffunc args"

Example:

CRON="0 0 * * * -restart"
CRON="0 3 * * * -expire 3" (this is equivalent to followings)
CRON="0 3 * * * -Fexpire /path/of/cache -rm -atime +3 -sum"
CRON="0 3 * * * /path/of/delegated -Fexpire /path/of/cache -rm -atime +3 -sum"

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