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man page of dclock
dclock: digital clock
dclock - digital clock
dclock [ -cmjd ] [ -sslant ] [ -tthickness ] [ -frate ]
Dclock displays a scalable digital clock. The time is updated from the
local host clock every minute as a background process. The current
date is displayed across the top of the window in the format
Sat Aug 16 1986
(or some subset of such if there's not enough room). Options to
control the clock's appearance, size and placement are as follows:
-c Display in 12-hour format ("civilian" time) -- the
-m Display in 24-hour format ("military" time).
-j "John's flag." Puts a tail on the digit '9'.
-d Do not display the current date across the top of the
-b Display a border (horizontal line) between the date
string and the time display.
-T Do not display the Time in the clock view (leaving just
-sslant Set the slant of the digits. A slant of 100 (the
maximum) corresponds to a slant of one digit width. A
slant of 0 (the minimum) is vertical. Default is -s30.
A special form is -s, which is equivalent to -s0.
-tthickness Set the thickness of the digit segments. Allowable
values are between 5 and 25. A thickness of 25 results
in segments which are one quarter (25%) of the digit
width. Default is -t15.
-frate Set the rate at which the segments fade when the time
changes. A value of 0 is fastest and 4 is slowest.
Default is -f4. A special form is -f, which is
equivalent to -f0.
To exit dclock, type a 'q' in the window.