wdctl --version (return code: 0)
wdctl from util-linux 2.27.1
wdctl --help (return code: 0)
Usage:
wdctl [options] [<device> ...]
Show the status of the hardware watchdog.
Options:
-f, --flags <list> print selected flags only
-F, --noflags don't print information about flags
-I, --noident don't print watchdog identity information
-n, --noheadings don't print headings for flags table
-O, --oneline print all information on one line
-o, --output <list> output columns of the flags
-r, --raw use raw output format for flags table
-T, --notimeouts don't print watchdog timeouts
-s, --settimeout <sec> set watchdog timeout
-x, --flags-only print only flags table (same as -I -T)
-h, --help display this help and exit
-V, --version output version information and exit
The default device is /dev/watchdog.
Available columns:
FLAG flag name
DESCRIPTION flag description
STATUS flag status
BOOT-STATUS flag boot status
DEVICE watchdog device name
For more details see wdctl(8).