usleep - sleep some number of microseconds
usleep [number]
usleep sleeps some number of microseconds. The default is 1.
--usage Show short usage message. --help, -? Print help information. -v, --version Print version information.
Probably not accurate on many machines down to the microsecond. Count on precision only to -4 or maybe -5.
Donald Barnes <djb@redhat.com> Erik Troan <ewt@redhat.com>