...h hwclock (8), or directly with the ioctl (2) requests listed below. Besides tracking the date and time, many RTCs can also generate interrupts • on every clock update (i.e., on…...getrandom (2) or /dev/random instead. The /dev/random device is a legacy interface which dates back to a time where the cryptographic primitives used in the implementation of /d…...getrandom (2) or /dev/random instead. The /dev/random device is a legacy interface which dates back to a time where the cryptographic primitives used in the implementation of /d…