Opsi Jalankan dcclock

 $ dclock -digital -fg white -bg black -geometry 300x100 -font fixed
Invalid Args: "-digital"
usage: dclock [-options ...]
where options include:
    -help            print this help text
    -bg color            field background color
    -fg color            segment foreground color
    -fn font            font name
    -geometry geom        size of mailbox
    -display host:dpy        X server to contact
    -led_off color        segment background color
    -date "date format"    show the date in strftime(3) format
    -[no]dateup         [don't]    put the date up at the top
    -[no]seconds         [don't]    display seconds
    -[no]miltime         [don't]    display time in 24 hour format
    -[no]utc            [don't] display the UTC time instead of local
    -[no]blink            [don't] blink the colon
    -[no]scroll         turn on [off] scrolling of numbers
    -[no]tails            draw [remove] tails on digits 6 and 9
    -[no]fade            [don't] fade numbers
    -[no]bell             [don't] ring bell each half hour
    -[no]persist        [don't] leave in reverse video after alarm
    -bellFile filename        sound file for bell sound
    -[no]alarm         turn on/off alarm
    -alarmTime hh:mm        time alarm goes off
    -alarmFile filename    sound file for alarm sound
    -audioPlay    filename    executable to use to play bell and alarm
    -fadeRate int_val        wait between fade steps (in msec)
    -slope float_val        set angle of the digits
    -smallsize float_val    set size ratio of the small to large digits
    -second_gap float_val    set spacing between minutes and seconds digits
    -thickness    float_val    set segment thickness as ratio to digit width
    -spacing float_val        set digit spacing as ratio to digit width