NAME
    usleep - sleep some number of microseconds

SYNOPSIS
    usleep [number]

DESCRIPTION
    usleep sleeps some number of microseconds. The default is 1.

OPTIONS
    --usage Show short usage message.

    --help, -?
    Print help information.

    -v, --version
    Print version information.

BUGS
    Probably  not accurate on many machines down to the microsecond.  Count
    on precision only to -4 or maybe -5.

AUTHOR
    Donald Barnes <djb@redhat.com>
    Erik Troan <ewt@redhat.com>