overview of time and timers NAME time - overview of time and timers DESCRIPTION Real time and process time Real time is defined as time measured from some fixed point, either from …...cks, including: clock_gettime (2), clock_nanosleep (2), nanosleep (2), timer_settime (2), timerfd_settime (2), and /proc/uptime . Currently, the only way to create a time namesp…optional parts of the POSIX standard NAME posixoptions - optional parts of the POSIX standard DESCRIPTION The POSIX standard (the information below is from POSIX.1-2001) describes …async-signal-safe functions NAME signal-safety - async-signal-safe functions DESCRIPTION An async-signal-safe function is one that can be safely called from within a signal handler…overview of Linux capabilities NAME capabilities - overview of Linux capabilities DESCRIPTION For the purpose of performing permission checks, traditional UNIX implementations dist…