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- adjkerntz(8)
- adjust the local time CMOS clock to reflect time zone changes and keep the current timezone offset for the kernel
- adjtime(2)
- correct the time to allow synchronization of the system clock
- atrtc(4)
- AT Real-Time Clock (RTC) driver
- clock(3)
- determine processor time used
- clock_getcpuclockid(3)
- access a process CPU-time clock
- clock_gettime(2), clock_settime(2), clock_getres(2)
- get/set/calibrate date and time
- clocks(7)
- various system timers
- curpriority_cmp(9), maybe_resched(9), resetpriority(9), roundrobin(9), roundrobin_interval(9), sched_setup(9), schedclock(9), schedcpu(9), setrunnable(9), updatepri(9)
- perform round-robin scheduling of runnable processes
- ds1307(4)
- 64 x 8, serial, i2c real-time clock
- ffclock(4), FFCLOCK(4)
- Feed-forward system clock
- ffclock_getcounter(2), ffclock_getestimate(2), ffclock_setestimate(2)
- Retrieve feed-forward counter, get and set feed-forward clock estimates
- grdc(6)
- grand digital clock (curses)
- hardclock(9)
- real-time timer
- imx6_snvs(4)
- device driver for the NXP i.MX6 on-chip Realtime Clock
- kvmclock(4)
- Para-virtualized clock driver for x86 KVM guests
- ntpd(8)
- set clock via Network Time Protocol daemon
- pthread_condattr_init(3), pthread_condattr_destroy(3), pthread_condattr_getclock(3), pthread_condattr_setclock(3), pthread_condattr_getpshared(3), pthread_condattr_setpshared(3)
- condition attribute operations
- pthread_getcpuclockid(3)
- access a thread CPU-time clock
- resettodr(9)
- set battery-backed clock from system time
- sem_timedwait(3), sem_clockwait_np(3)
- lock a semaphore
- timespec_getres(3)
- get clock resolution
- DS2415(3), DS1904(3), DS2417(3)
- 1-Wire Time Chip, RTC (real time clock) iButton, 1-Wire Time Chip with Interrupt
- FcAtomicLock(3)
- lock a file
- HPL_ptimer_walltime(3)
- Return the elapsed (wall-clock) time
- HPL_timer_walltime(3)
- Return the elapsed (wall-clock) time
- MBK_CK(1)
- define the clock name pattern
- PS_arc(3)
- Draws an arc counterclockwise
- PS_arcn(3)
- Draws an arc clockwise
- XF86VidModeQueryExtension(3), XF86VidModeQueryVersion(3), XF86VidModeSetClientVersion(3), XF86VidModeGetModeLine(3), XF86VidModeGetAllModeLines(3), XF86VidModeAddModeLine(3), XF86VidModeDeleteModeLine(3), XF86VidModeModModeLine(3), XF86VidModeValidateModeLine(3), XF86VidModeSwitchMode(3), XF86VidModeSwitchToMode(3), XF86VidModeLockModeSwitch(3), XF86VidModeGetMonitor(3), XF86VidModeGetViewPort(3), XF86VidModeSetViewPort(3), XF86VidModeGetDotClocks(3), XF86VidModeGetGamma(3), XF86VidModeSetGamma(3), XF86VidModeGetGammaRamp(3), XF86VidModeSetGammaRamp(3), XF86VidModeGetGammaRampSize(3), XF86VidModeGetPermissions(3)
- Extension library for the XFree86-VidMode X extension
- asclock(1)
- the AfterStep clock
- astime(1)
- the AfterStep analogue clock
- astzclock(1)
- the AfterStep clock
- bclock(1)
- round X clock with bezier curve hands
- binclock(1), prints(1)
- time in binary format
- blind-rotate-270(1)
- Rotate a video 270 degrees clockwise
- blind-rotate-90(1)
- Rotate a video 90 degrees clockwise
- buici-clock(1)
- attractive X11 clock
- cairo-clock(1)
- an analog clock drawn with vector-graphics
- clock.tcl86(n), clock(n)
- Obtain and manipulate dates and times
- clock.tcl90(n), clock(n)
- Obtain and manipulate dates and times
- clock_info(1)
- print info about system clocks
- clockadd(1)
- adjust the local UNIX clock, once
- clockspeed(1)
- speed up or slow down the local clock, continuously
- clockview(1)
- view an adjustment to the local clock
- dclock(1)
- digital clock for X
- dnsjit.lib.clock(3)
- Clock and time functions
- emiclock(1)
- hyper animated face analog clock for X11
- explain_adjtime_or_die(3)
- smoothly tune kernel clock and report errors require_index { "smoothly tune kernel clock and report errors" }
- explain_adjtimex_or_die(3)
- tune kernel clock and report errors require_index { "tune kernel clock and report errors" }
- eyeclock(1), EyeClock(1)
- A clock application for X. The eyes follow the mouse pointer
- filesystem.clock(3em), Emilua(3em)
- Lua execution engine
