Timex T2312 双闹钟收音机使用说明书
Some G-Shock models are capable of keeping themselves updated. Models with what Casio calls "atomic timekeeping" receive a radio signal from one of six atomic clocks located around the world. To give the watch an opportunity to set itself, take it off and leave it in a windowsill in an ...
ADJTIMEX I will assume you have already read the man page for adjtimex :-) BACKGROUND You probably already know that your computer has two clocks - the "real time clock" (RTC) that runs all the time, and the system clock that runs only while the computer is on. The system clock has...
Alternately, you could estimate values using as a reference the CMOS clock (see the --compare and --adjust switches), another host (see --host and --review), or some other source of time (see --watch and --review). You could then add a line to rc.local invoking adjtimex, or ...