"-sh: man: not found" - как man использовать-то?

И как получить следующий вывод?
Code:
scan
	Default an active scan across all channels for any SSID.
	Optional arg: SSID, the SSID to scan.
	Options:
	-s S, --ssid=S		SSID to scan
	-t ST, --scan_type=ST	[active|passive] scan type
	--bss_type=BT		[bss/infra|ibss/adhoc] bss type to scan
	-b MAC, --bssid=MAC	particular BSSID MAC address to scan, xx:xx:xx:xx:xx:xx
	-n N, --nprobes=N	number of probes per scanned channel
	-a N, --active=N	dwell time per channel for active scanning
	-p N, --passive=N	dwell time per channel for passive scanning
	-h N, --home=N		dwell time for the home channel between channel scans
	-c L, --channels=L	comma or space separated list of channels to scan