.TH RTC 3.SH NAMErtc \- real-time clock and non-volatile RAM.SH SYNOPSIS.B bind #r /dev.PP.B /dev/rtc.br.B /dev/nvram.SH DESCRIPTIONThe.I rtcdevice supports deviceswith real-time clocks and non-volatile RAM..PPThe.B rtcfile behaves just like.BR /dev/time(see.IR cons (3)).The real-time clock is maintained on-board;.B /dev/timeis set from the file server.  Neither is necessarily more accurate..PPThe.B nvramfile provides (if permission allows)access to the local non-volatile RAM.For example,.IR boot (8)reads the machine's keyfrom there(see.IR auth (8))..SH SEE ALSO.IR auth (8),.IR boot (8).SH SOURCE.B /sys/src/9/*/devrtc.c