truncate a file to a specified length NAME truncate, ftruncate - truncate a file to a specified length LIBRARY Standard C library ( libc , -lc ) SYNOPSIS #include <unistd.h> int tr…truncate a file to a specified length NAME truncate, ftruncate - truncate a file to a specified length LIBRARY Standard C library ( libc , -lc ) SYNOPSIS #include <unistd.h> int tr…truncate a file to a specified length NAME truncate, ftruncate - truncate a file to a specified length LIBRARY Standard C library ( libc , -lc ) SYNOPSIS #include <unistd.h> int tr…truncate a file to a specified length NAME truncate, ftruncate - truncate a file to a specified length LIBRARY Standard C library ( libc , -lc ) SYNOPSIS #include <unistd.h> int tr…set effective user or group ID NAME seteuid, setegid - set effective user or group ID LIBRARY Standard C library ( libc , -lc ) SYNOPSIS #include <unistd.h> int seteuid(uid_t euid …set effective user or group ID NAME seteuid, setegid - set effective user or group ID LIBRARY Standard C library ( libc , -lc ) SYNOPSIS #include <unistd.h> int seteuid(uid_t euid …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 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…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…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…transfer data between process address spaces NAME process_vm_readv, process_vm_writev - transfer data between process address spaces LIBRARY Standard C library ( libc , -lc ) SYNOP…transfer data between process address spaces NAME process_vm_readv, process_vm_writev - transfer data between process address spaces LIBRARY Standard C library ( libc , -lc ) SYNOP…set real and/or effective user or group ID NAME setreuid, setregid - set real and/or effective user or group ID LIBRARY Standard C library ( libc , -lc ) SYNOPSIS #include <unistd.…set real and/or effective user or group ID NAME setreuid, setregid - set real and/or effective user or group ID LIBRARY Standard C library ( libc , -lc ) SYNOPSIS #include <unistd.…set real and/or effective user or group ID NAME setreuid, setregid - set real and/or effective user or group ID LIBRARY Standard C library ( libc , -lc ) SYNOPSIS #include <unistd.…set real and/or effective user or group ID NAME setreuid, setregid - set real and/or effective user or group ID LIBRARY Standard C library ( libc , -lc ) SYNOPSIS #include <unistd.…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…sync a file segment with disk NAME sync_file_range - sync a file segment with disk LIBRARY Standard C library ( libc , -lc ) SYNOPSIS #define _GNU_SOURCE /* See feature_test_macros…