TTY-CLOCK(1) - man page online | user commands
A terminal digital clock.
TTY-CLOCK(1) User Commands TTY-CLOCK(1)
NAMEtty-clock - a terminal digital clock
SYNOPSIStty-clock [-iuvsScbtrahDBxn] [-C [0-7]] [-f format] [-d delay] [-a nsdelay] [-T tty]
DESCRIPTIONtty-clock displays a simple digital clock on the terminal. Invoked without options it will display the clock on the upper left corner of the screen on the terminal it was executed from.
COMMANDStty-clock accepts a number of runtime keyboard commands, upper and lower case characters are treated identically. K,J,H,L vi-style movement commands to set the position of the displayed clock. These com‐ mands have no effect when the centered option is set. [0-7] Select a different color for displaying the clock. B Toggles bewteen bold and normal colors. X Toggles displaying a box around the clock. This option is disabled by default. C Toggle the clock's position to centered. When set the movement commands are dis‐ abled. R Set the clock to rebound along the edges of the terminal. S Display seconds. T Switch time output to the 12-hour format. Q Quit.
OPTIONS-s Show seconds. -S Screensaver mode. tty-clock terminates when any key is pressed. -x Show box. -c Set the clock at the center of the terminal. -C [0-7] Set the clock color. -b Use bold colors. -t Set the hour in 12h format. -u Use UTC time. -T tty Display the clock on the given tty. tty must be a valid character device to which the user has rw access permissions. (See EXAMPLES) -r Do rebound the clock. -f format Set the date format as described in strftime(3). -n Do not quit the program when the Q key is pressed (or when any key is pressed while in Screensaver mode). A signal must be sent to tty-clock in order to terminate its execution. (See EXAMPLES) -v Show tty-clock version. -i Show some info about tty-clock. -h Show usage information. -D Hide the date. -B Enable blinking colon. -d delay Set the delay (in seconds) between two redraws of the clock. Default 1s. -a nsdelay Additional delay (in nanoseconds) between two redraws of the clock. Default 0ns.
October 2013 TTY-CLOCK(1)
EXAMPLESTo invoke tty-clock in screensaver mode with the clock display set to rebound and the update delay set to 1/10th of a second (10 FPS): $ tty-clock -Sra 100000000 -d 0 The following example arranges for tty-clock to be displayed indefinitely on one of the Virtual Terminals on a Linux system at boot time using an inittab(5) entry: # /etc/inittab: 9:2345:respawn:/usr/bin/tty-clock -c -n -T /dev/tty9
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|refer to||inittab(5) | strftime(3)|