утилита времени (time clocks utility)
Файлы (Files)
/etc/adjtime
The configuration and state file for hwclock.
/etc/localtime
The system timezone file.
/usr/share/zoneinfo/
The system timezone database directory.
Device files hwclock may try for Hardware Clock access: /dev/rtc0
/dev/rtc /dev/misc/rtc /dev/efirtc /dev/misc/efirtc
