obtain a series of random bytes NAME getrandom - obtain a series of random bytes LIBRARY Standard C library ( libc , -lc ) SYNOPSIS #include <sys/random.h> ssize_t getrandom(void b…change properties of a mount or mount tree NAME mount_setattr - change properties of a mount or mount tree LIBRARY Standard C library ( libc , -lc ) SYNOPSIS #include <linux/fcntl.…high-resolution sleep NAME nanosleep - high-resolution sleep LIBRARY Standard C library ( libc , -lc ) SYNOPSIS #include <time.h> int nanosleep(const struct timespec * duration , s…predeclare an access pattern for file data NAME posix_fadvise - predeclare an access pattern for file data LIBRARY Standard C library ( libc , -lc ) SYNOPSIS #include <fcntl.h> int…predeclare an access pattern for file data NAME posix_fadvise - predeclare an access pattern for file data LIBRARY Standard C library ( libc , -lc ) SYNOPSIS #include <fcntl.h> int…predeclare an access pattern for file data NAME posix_fadvise - predeclare an access pattern for file data LIBRARY Standard C library ( libc , -lc ) SYNOPSIS #include <fcntl.h> int…predeclare an access pattern for file data NAME posix_fadvise - predeclare an access pattern for file data LIBRARY Standard C library ( libc , -lc ) SYNOPSIS #include <fcntl.h> int…predeclare an access pattern for file data NAME posix_fadvise - predeclare an access pattern for file data LIBRARY Standard C library ( libc , -lc ) SYNOPSIS #include <fcntl.h> int…receive multiple messages on a socket NAME recvmmsg - receive multiple messages on a socket LIBRARY Standard C library ( libc , -lc ) SYNOPSIS #define _GNU_SOURCE /* See feature_te…add a key to the kernel's key management facility NAME add_key - add a key to the kernel's key management facility LIBRARY Standard C library ( libc , -lc ) SYNOPSIS #include <keyu…reboot or enable/disable Ctrl-Alt-Del NAME reboot - reboot or enable/disable Ctrl-Alt-Del LIBRARY Standard C library ( libc , -lc ) SYNOPSIS /* Since Linux 2.1.30 there are symboli…get resource usage NAME getrusage - get resource usage LIBRARY Standard C library ( libc , -lc ) SYNOPSIS #include <sys/resource.h> int getrusage(int who , struct rusage * usage );…clock and time functions NAME clock_getres, clock_gettime, clock_settime - clock and time functions LIBRARY Standard C library ( libc , -lc ), since glibc 2.17 Before glibc 2.17, R…clock and time functions NAME clock_getres, clock_gettime, clock_settime - clock and time functions LIBRARY Standard C library ( libc , -lc ), since glibc 2.17 Before glibc 2.17, R…clock and time functions NAME clock_getres, clock_gettime, clock_settime - clock and time functions LIBRARY Standard C library ( libc , -lc ), since glibc 2.17 Before glibc 2.17, R…give advice about use of memory NAME madvise - give advice about use of memory LIBRARY Standard C library ( libc , -lc ) SYNOPSIS #include <sys/mman.h> int madvise(void addr [. len…get filesystem statistics NAME statfs, fstatfs - get filesystem statistics LIBRARY Standard C library ( libc , -lc ) SYNOPSIS #include <sys/vfs.h> /* or <sys/statfs.h> */ int statf…get filesystem statistics NAME statfs, fstatfs - get filesystem statistics LIBRARY Standard C library ( libc , -lc ) SYNOPSIS #include <sys/vfs.h> /* or <sys/statfs.h> */ int statf…get filesystem statistics NAME statfs, fstatfs - get filesystem statistics LIBRARY Standard C library ( libc , -lc ) SYNOPSIS #include <sys/vfs.h> /* or <sys/statfs.h> */ int statf…get filesystem statistics NAME statfs, fstatfs - get filesystem statistics LIBRARY Standard C library ( libc , -lc ) SYNOPSIS #include <sys/vfs.h> /* or <sys/statfs.h> */ int statf…