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|PMSLEEP(1)||General Commands Manual||PMSLEEP(1)|
pmpause, pmsleep - portable subsecond-capable sleep
pmpause sleeps indefinitely, until interrupted by SIGKILL.
pmsleep sleeps for the specified interval. The interval argument follows the syntax described in PCPIntro(1) for -t, and in the simplest form may be an unsigned integer or floating point constant (the implied units in this case are seconds).
The exit status is 0 for success, or 1 for a malformed command line. If the underlying nanosleep(2) system call fails, an errno is returned.
sleep(1), pause(2) and nanosleep(2).