return system information NAME sysinfo - return system information LIBRARY Standard C library ( libc , -lc ) SYNOPSIS #include <sys/sysinfo.h> int sysinfo(struct sysinfo * info ); …allocate or free huge pages NAME alloc_hugepages, free_hugepages - allocate or free huge pages SYNOPSIS void *syscall(SYS_alloc_hugepages, int key , void addr [. len ], size_t len …allocate or free huge pages NAME alloc_hugepages, free_hugepages - allocate or free huge pages SYNOPSIS void *syscall(SYS_alloc_hugepages, int key , void addr [. len ], size_t len …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…close all file descriptors in a given range NAME close_range - close all file descriptors in a given range LIBRARY Standard C library ( libc , -lc ) SYNOPSIS #define _GNU_SOURCE /*…read/write system parameters NAME sysctl - read/write system parameters SYNOPSIS #include <unistd.h> #include <linux/sysctl.h> [[deprecated]] int _sysctl(struct __sysctl_args * arg…create an anonymous file NAME memfd_create - create an anonymous file LIBRARY Standard C library ( libc , -lc ) SYNOPSIS #define _GNU_SOURCE /* See feature_test_macros(7) */ #inclu…get filesystem type information NAME sysfs - get filesystem type information SYNOPSIS [[deprecated]] int sysfs(int option , const char * fsname ); [[deprecated]] int sysfs(int opti…reassociate thread with a namespace NAME setns - reassociate thread with a namespace LIBRARY Standard C library ( libc , -lc ) SYNOPSIS #define _GNU_SOURCE /* See feature_test_macr…ioctl() operations for Linux namespaces NAME ioctl_nsfs - ioctl() operations for Linux namespaces SYNOPSIS #include <linux/nsfs.h> /* Definition of NS_* constants */ #include <sys/…read and/or clear kernel message ring buffer; set console_loglevel NAME syslog, klogctl - read and/or clear kernel message ring buffer; set console_loglevel LIBRARY Standard C libr…allocates a System V shared memory segment NAME shmget - allocates a System V shared memory segment LIBRARY Standard C library ( libc , -lc ) SYNOPSIS #include <sys/shm.h> int shmg…make a new name for a file NAME link, linkat - make a new name for a file LIBRARY Standard C library ( libc , -lc ) SYNOPSIS #include <unistd.h> int link(const char * oldpath , con…make a new name for a file NAME link, linkat - make a new name for a file LIBRARY Standard C library ( libc , -lc ) SYNOPSIS #include <unistd.h> int link(const char * oldpath , con…listen for connections on a socket NAME listen - listen for connections on a socket LIBRARY Standard C library ( libc , -lc ) SYNOPSIS #include <sys/socket.h> int listen(int sockfd…get the secure computing mode NAME PR_GET_SECCOMP - get the secure computing mode LIBRARY Standard C library ( libc , -lc ) SYNOPSIS #include <linux/prctl.h> /* Definition of PR_* …System V shared memory control NAME shmctl - System V shared memory control LIBRARY Standard C library ( libc , -lc ) SYNOPSIS #include <sys/shm.h> int shmctl(int shmid , int op , …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…send a signal to a process specified by a file descriptor NAME pidfd_send_signal - send a signal to a process specified by a file descriptor LIBRARY Standard C library ( libc , -lc…