What Is Hardware Clock Linux?
Contents a Linux System Actually Has Two Clocks: One Is the Battery Powered “Real Time Clock” (Also Known as the “Rtc”, “Cmos Clock”, or “Hardware Clock”)...
A Linux system actually has two clocks: One is the battery powered “Real Time Clock” (also known as the “RTC”, “CMOS clock”, or “Hardware clock”) which keeps track of time when the system is turned off but is not used when the system is running.
How do I check my hardware clock in Linux?
Just type hwclock, which will display the date and time of your system’s hardware clock. This is the same date and time that you’ll see from the BIOS screen. You can also use option -r, or –show to display the date and time.
Must Read
How does hardware clock work?
A personal computer has a battery driven hardware clock. The battery ensures that the clock will work even if the rest of the computer is without electricity. The hardware clock can be set from the BIOS setup screen or from whatever operating system is running.
Sarah Jenkins is a veteran tech journalist with over 12 years of experience covering artificial intelligence, mobile innovations, and digital ethics. Her insights have appeared in leading technology publications worldwide.
