read from a file descriptor NAME read - read from a file descriptor LIBRARY Standard C library ( libc , -lc ) SYNOPSIS #include <unistd.h> ssize_t read(int fd , void buf [. count ]…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…change timestamps of a file relative to a directory file descriptor NAME futimesat - change timestamps of a file relative to a directory file descriptor LIBRARY Standard C library …map or unmap files or devices into memory NAME mmap, munmap - map or unmap files or devices into memory LIBRARY Standard C library ( libc , -lc ) SYNOPSIS #include <sys/mman.h> voi…map or unmap files or devices into memory NAME mmap, munmap - map or unmap files or devices into memory LIBRARY Standard C library ( libc , -lc ) SYNOPSIS #include <sys/mman.h> voi…change file timestamps with nanosecond precision NAME utimensat, futimens - change file timestamps with nanosecond precision LIBRARY Standard C library ( libc , -lc ) SYNOPSIS #inc…System V shared memory operations NAME shmat, shmdt - System V shared memory operations LIBRARY Standard C library ( libc , -lc ) SYNOPSIS #include <sys/shm.h> void *shmat(int shmi…System V shared memory operations NAME shmat, shmdt - System V shared memory operations LIBRARY Standard C library ( libc , -lc ) SYNOPSIS #include <sys/shm.h> void *shmat(int shmi…System V shared memory operations NAME shmat, shmdt - System V shared memory operations LIBRARY Standard C library ( libc , -lc ) SYNOPSIS #include <sys/shm.h> void *shmat(int shmi…tune kernel clock NAME adjtimex, clock_adjtime, ntp_adjtime - tune kernel clock LIBRARY Standard C library ( libc , -lc ) SYNOPSIS #include <sys/timex.h> int adjtimex(struct timex …tune kernel clock NAME adjtimex, clock_adjtime, ntp_adjtime - tune kernel clock LIBRARY Standard C library ( libc , -lc ) SYNOPSIS #include <sys/timex.h> int adjtimex(struct timex …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…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…write to a file descriptor NAME write - write to a file descriptor LIBRARY Standard C library ( libc , -lc ) SYNOPSIS #include <unistd.h> ssize_t write(int fd , const void buf [. c…mount filesystem NAME mount - mount filesystem LIBRARY Standard C library ( libc , -lc ) SYNOPSIS #include <sys/mount.h> int mount(const char * source , const char * target , const…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.…set and get scheduling policy and attributes NAME sched_setattr, sched_getattr - set and get scheduling policy and attributes LIBRARY Standard C library ( libc , -lc ) SYNOPSIS #in…set and get scheduling policy and attributes NAME sched_setattr, sched_getattr - set and get scheduling policy and attributes LIBRARY Standard C library ( libc , -lc ) SYNOPSIS #in…System V semaphore control operations NAME semctl - System V semaphore control operations LIBRARY Standard C library ( libc , -lc ) SYNOPSIS #include <sys/sem.h> int semctl(int sem…perform a command on an extended BPF map or program NAME bpf - perform a command on an extended BPF map or program SYNOPSIS #include <linux/bpf.h> int bpf(int cmd , union bpf_attr …