introduction to system calls NAME intro - introduction to system calls DESCRIPTION Section 2 of the manual describes the Linux system calls. A system call is an entry point into th…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…System V semaphore operations NAME semop, semtimedop - System V semaphore operations LIBRARY Standard C library ( libc , -lc ) SYNOPSIS #include <sys/sem.h> int semop(int semid , s…System V semaphore operations NAME semop, semtimedop - System V semaphore operations LIBRARY Standard C library ( libc , -lc ) SYNOPSIS #include <sys/sem.h> int semop(int semid , s…get a System V semaphore set identifier NAME semget - get a System V semaphore set identifier LIBRARY Standard C library ( libc , -lc ) SYNOPSIS #include <sys/sem.h> int semget(key…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…create a file descriptor for event notification NAME eventfd - create a file descriptor for event notification LIBRARY Standard C library ( libc , -lc ) SYNOPSIS #include <sys/even…create a file descriptor for event notification NAME eventfd - create a file descriptor for event notification LIBRARY Standard C library ( libc , -lc ) SYNOPSIS #include <sys/even…set file mode creation mask NAME umask - set file mode creation mask LIBRARY Standard C library ( libc , -lc ) SYNOPSIS #include <sys/stat.h> mode_t umask(mode_t mask ); DESCRIPTIO…set protection on a region of memory NAME mprotect, pkey_mprotect - set protection on a region of memory LIBRARY Standard C library ( libc , -lc ) SYNOPSIS #include <sys/mman.h> in…set protection on a region of memory NAME mprotect, pkey_mprotect - set protection on a region of memory LIBRARY Standard C library ( libc , -lc ) SYNOPSIS #include <sys/mman.h> in…execute program NAME execve - execute program LIBRARY Standard C library ( libc , -lc ) SYNOPSIS #include <unistd.h> int execve(const char * pathname , char *const _Nullable argv […create a file descriptor for handling page faults in user space NAME userfaultfd - create a file descriptor for handling page faults in user space LIBRARY Standard C library ( libc…process trace NAME ptrace - process trace LIBRARY Standard C library ( libc , -lc ) SYNOPSIS #include <sys/ptrace.h> long ptrace(enum __ptrace_request op , pid_t pid , void * addr …