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| author | Jacob McDonnell <jacob@jacobmcdonnell.com> | 2026-04-26 16:38:00 -0400 |
|---|---|---|
| committer | Jacob McDonnell <jacob@jacobmcdonnell.com> | 2026-04-26 16:38:00 -0400 |
| commit | 97d5c458cfa039d857301e1ca7d5af3beb37131d (patch) | |
| tree | b460cd850d0537eb71806ba30358840377b27688 /static/plan9-4e/man3/rtc.3 | |
| parent | b89dc2331a50c63f8b33272a5c4c61ab98abdaa3 (diff) | |
build: Better Build System
Diffstat (limited to 'static/plan9-4e/man3/rtc.3')
| -rw-r--r-- | static/plan9-4e/man3/rtc.3 | 40 |
1 files changed, 40 insertions, 0 deletions
diff --git a/static/plan9-4e/man3/rtc.3 b/static/plan9-4e/man3/rtc.3 new file mode 100644 index 00000000..da30231f --- /dev/null +++ b/static/plan9-4e/man3/rtc.3 @@ -0,0 +1,40 @@ +.TH RTC 3 +.SH NAME +rtc \- real-time clock and non-volatile RAM +.SH SYNOPSIS +.B bind #r /dev +.PP +.B /dev/rtc +.br +.B /dev/nvram +.SH DESCRIPTION +The +.I rtc +device supports devices +with real-time clocks and non-volatile RAM. +.PP +The +.B rtc +file behaves just like +.BR /dev/time +(see +.IR cons (3)). +The real-time clock is maintained on-board; +.B /dev/time +is set from the file server. Neither is necessarily more accurate. +.PP +The +.B nvram +file provides (if permission allows) +access to the local non-volatile RAM. +For example, +.IR boot (8) +reads the machine's key +from there +(see +.IR auth (8)). +.SH SEE ALSO +.IR auth (8), +.IR boot (8) +.SH SOURCE +.B /sys/src/9/*/devrtc.c |