Manual pages
Scope: BSD System Calls Manual.
| [ Alias ↣ ] Name (section) | Brief |
|---|---|
| abort2(2freebsd) | Abort process with diagnostics. |
| accept(2freebsd) | Accept a connection on a socket. |
| accept4(2freebsd) | Accept a connection on a socket. |
| access(2freebsd) | Check accessibility of a file. |
| acct(2freebsd) | Enable or disable process accounting. |
| adjtime(2freebsd) | Correct the time to allow synchronization of the system clock. |
| aio_cancel(2freebsd) | Cancel an outstanding asynchronous I/O operation (REALTIME). |
| aio_error(2freebsd) | Retrieve error status of asynchronous I/O operation (REALTIME). |
| aio_fsync(2freebsd) | Asynchronous file synchronization (REALTIME). |
| aio_mlock(2freebsd) | Asynchronous mlock(2) operation. |
| aio_read(2freebsd) | Asynchronous read from a file (REALTIME). |
| aio_return(2freebsd) | Retrieve return status of asynchronous I/O operation (REALTIME). |
| aio_suspend(2freebsd) | Suspend until asynchronous I/O operations or timeout complete (REALTIME). |
| aio_waitcomplete(2freebsd) | Wait for the next completion of an aio request. |
| aio_write(2freebsd) | Asynchronous write to a file (REALTIME). |
| audit(2freebsd) | Commit BSM audit record to audit log. |
| auditctl(2freebsd) | Configure system audit parameters. |
| auditon(2freebsd) | Configure system audit parameters. |
| bind(2freebsd) | Assign a local protocol address to a socket. |
| bindat(2freebsd) | Assign a local protocol address to a socket. |
| brk(2freebsd) | Change data segment size. |
| cap_enter(2freebsd) | Capability mode system calls. |
| cap_fcntls_get(2freebsd) | Manage allowed fcntl commands. |
| cap_fcntls_limit(2freebsd) | Manage allowed fcntl commands. |
| cap_getmode(2freebsd) | Capability mode system calls. |
| cap_ioctls_get(2freebsd) | Manage allowed ioctl commands. |
| cap_ioctls_limit(2freebsd) | Manage allowed ioctl commands. |
| cap_rights_limit(2freebsd) | Limit capability rights. |
| chdir(2freebsd) | Change current working directory. |
| chflags(2freebsd) | Set file flags. |
| chflagsat(2freebsd) | Set file flags. |
| chown(2freebsd) | Change owner and group of a file. |
| chroot(2freebsd) | Change root directory. |
| clock_getres(2freebsd) | Get/set/calibrate date and time. |
| clock_gettime(2freebsd) | Get/set/calibrate date and time. |
| clock_nanosleep(2freebsd) | High resolution sleep. |
| clock_settime(2freebsd) | Get/set/calibrate date and time. |
| close(2freebsd) | Delete a descriptor. |
| closefrom(2freebsd) | Delete open file descriptors. |
| connect(2freebsd) | Initiate a connection on a socket. |
| connectat(2freebsd) | Initiate a connection on a socket. |
| cpuset(2freebsd) | Manage CPU affinity sets. |
| cpuset_getaffinity(2freebsd) | Manage CPU affinity. |
| cpuset_getid(2freebsd) | Manage CPU affinity sets. |
| cpuset_setaffinity(2freebsd) | Manage CPU affinity. |
| cpuset_setid(2freebsd) | Manage CPU affinity sets. |
| creat(2freebsd) | Create a new file. |
| dup(2freebsd) | Duplicate an existing file descriptor. |
| dup2(2freebsd) | Duplicate an existing file descriptor. |
| eaccess(2freebsd) | Check accessibility of a file. |
| errno(2freebsd) | Introduction to system calls and error numbers. |
| execve(2freebsd) | Execute a file. |
| _exit(2freebsd) | Terminate the calling process. |
| extattr(2freebsd) | … |
| extattr_delete_fd(2freebsd) | … |
| extattr_delete_file(2freebsd) | … |
| extattr_delete_link(2freebsd) | … |
| extattr_get_fd(2freebsd) | … |
| extattr_get_file(2freebsd) | … |
| extattr_get_link(2freebsd) | … |
| extattr_list_fd(2freebsd) | … |
| extattr_list_file(2freebsd) | … |
| extattr_list_link(2freebsd) | … |
| extattr_set_fd(2freebsd) | … |
| extattr_set_file(2freebsd) | … |
| extattr_set_link(2freebsd) | … |
| faccessat(2freebsd) | Check accessibility of a file. |
| fchdir(2freebsd) | Change current working directory. |
| fchflags(2freebsd) | Set file flags. |
| fchown(2freebsd) | Change owner and group of a file. |
| fchownat(2freebsd) | Change owner and group of a file. |
| fcntl(2freebsd) | File control. |
| fdatasync(2freebsd) | Synchronise changes to a file. |
| fexecve(2freebsd) | Execute a file. |
| ffclock(2freebsd) | Retrieve feed-forward counter, get and set feed-. |
| ffclock_getcounter(2freebsd) | Retrieve feed-forward counter, get and set feed-. |
| ffclock_getestimate(2freebsd) | Retrieve feed-forward counter, get and set feed-. |
| ffclock_setestimate(2freebsd) | Retrieve feed-forward counter, get and set feed-. |
| fhopen(2freebsd) | Access file via file handle. |
| fhstat(2freebsd) | Access file via file handle. |
| fhstatfs(2freebsd) | Access file via file handle. |
| flock(2freebsd) | Apply or remove an advisory lock on an open file. |
| fork(2freebsd) | Create a new process. |
| fpathconf(2freebsd) | Get configurable pathname variables. |
| fstatfs(2freebsd) | Get file system statistics. |
| fsync(2freebsd) | Synchronise changes to a file. |
| ftruncate(2freebsd) | Truncate or extend a file to a specified length. |
| futimens(2freebsd) | Set file access and modification times. |
| futimes(2freebsd) | Set file access and modification times. |
| futimesat(2freebsd) | Set file access and modification times. |
| getaudit(2freebsd) | Retrieve audit session state. |
| getaudit_addr(2freebsd) | Retrieve audit session state. |
| getauid(2freebsd) | Retrieve audit session ID. |
| getdents(2freebsd) | Get directory entries in a file system independent format. |
| getdirentries(2freebsd) | Get directory entries in a file system independent format. |
| getdtablesize(2freebsd) | Get file descriptor limit. |
| getegid(2freebsd) | Get group process identification. |
| geteuid(2freebsd) | Get user identification. |
| getfh(2freebsd) | Get file handle. |
| getfsstat(2freebsd) | Get list of all mounted file systems. |
| getgid(2freebsd) | Get group process identification. |
| getgroups(2freebsd) | Get group access list. |
| getitimer(2freebsd) | Get/set value of interval timer. |
| getlogin(2freebsd) | Get/set login name. |
| getloginclass(2freebsd) | Get/set login class. |
| getpeername(2freebsd) | Get name of connected peer. |
| getpgid(2freebsd) | Get process group. |
| getpgrp(2freebsd) | Get process group. |
| getpid(2freebsd) | Get parent or calling process identification. |
| getppid(2freebsd) | Get parent or calling process identification. |
| getpriority(2freebsd) | Get/set program scheduling priority. |
| getresgid(2freebsd) | Get or set real, effective and saved user or group ID. |
| getresuid(2freebsd) | Get or set real, effective and saved user or group ID. |
| getrlimit(2freebsd) | Control maximum system resource consumption. |
| getrusage(2freebsd) | Get information about resource utilization. |
| getsid(2freebsd) | Get process session. |
| getsockname(2freebsd) | Get socket name. |
| getsockopt(2freebsd) | Get and set options on sockets. |
| gettimeofday(2freebsd) | Get/set date and time. |
| getuid(2freebsd) | Get user identification. |
| i386_get_ioperm(2freebsd) | Manage per-process access to the i386 I/O port space. |
| i386_get_ldt(2freebsd) | Manage i386 per-process Local Descriptor Table entries. |
| i386_set_ioperm(2freebsd) | Manage per-process access to the i386 I/O port space. |
| i386_set_ldt(2freebsd) | Manage i386 per-process Local Descriptor Table entries. |
| i386_vm86(2freebsd) | Control vm86-related functions. |
| intro(2freebsd) | Introduction to system calls and error numbers. |
| ioctl(2freebsd) | Control device. |
| issetugid(2freebsd) | Is current process tainted by uid or gid changes. |
| jail(2freebsd) | Create and manage system jails. |
| jail_attach(2freebsd) | Create and manage system jails. |
| jail_get(2freebsd) | Create and manage system jails. |
| jail_remove(2freebsd) | Create and manage system jails. |
| jail_set(2freebsd) | Create and manage system jails. |
| kenv(2freebsd) | Kernel environment. |
| kevent(2freebsd) | Kernel event notification mechanism. |
| kill(2freebsd) | Send signal to a process. |
| killpg(2freebsd) | Send signal to a process group. |
| kldfind(2freebsd) | Returns the fileid of a kld file. |
| kldfirstmod(2freebsd) | Return first module id from the kld file specified. |
| kldload(2freebsd) | Load KLD files into the kernel. |
| kldnext(2freebsd) | Return the fileid of the next kld file. |
| kldstat(2freebsd) | Get status of kld file. |
| kldsym(2freebsd) | Look up address by symbol name in a KLD. |
| kldunload(2freebsd) | Unload kld files. |
| kldunloadf(2freebsd) | Unload kld files. |
| kqueue(2) | Kernel event notification mechanism. |
| kqueue(2freebsd) | Kernel event notification mechanism. |
| ktrace(2freebsd) | Process tracing. |
| lchflags(2freebsd) | Set file flags. |
| lchown(2freebsd) | Change owner and group of a file. |
| lgetfh(2freebsd) | Get file handle. |
| link(2freebsd) | Make a hard file link. |
| linkat(2freebsd) | Make a hard file link. |
| lio_listio(2freebsd) | List directed I/O (REALTIME). |
| listen(2freebsd) | Listen for connections on a socket. |
| lpathconf(2freebsd) | Get configurable pathname variables. |
| lseek(2freebsd) | Reposition read/write file offset. |
| lutimes(2freebsd) | Set file access and modification times. |
| madvise(2freebsd) | Give advice about use of memory. |
| mincore(2freebsd) | Determine residency of memory pages. |
| minherit(2freebsd) | Control the inheritance of pages. |
| mkdir(2freebsd) | Make a directory file. |
| mkdirat(2freebsd) | Make a directory file. |
| mkfifo(2freebsd) | Make a fifo file. |
| mkfifoat(2freebsd) | Make a fifo file. |
| mknod(2freebsd) | Make a special file node. |
| mknodat(2freebsd) | Make a special file node. |
| mlock(2freebsd) | Lock (unlock) physical pages in memory. |
| mlockall(2freebsd) | Lock (unlock) the address space of a process. |
| mmap(2freebsd) | Allocate memory, or map files or devices into memory. |
| modfind(2freebsd) | Returns the modid of a kernel module. |
| modfnext(2freebsd) | Return the modid of the next kernel module. |
| modnext(2freebsd) | Return the modid of the next kernel module. |
| modstat(2freebsd) | Get status of kernel module. |
| mount(2freebsd) | Mount or dismount a file system. |
| mprotect(2freebsd) | Control the protection of pages. |
| mq_close(2freebsd) | Close a message queue (REALTIME). |
| mq_getattr(2freebsd) | Get message queue attributes (REALTIME). |
| mq_notify(2freebsd) | Notify process that a message is available (REALTIME). |
| mq_open(2freebsd) | Open a message queue (REALTIME). |
| mq_receive(2freebsd) | Receive a message from message queue (REALTIME). |
| mq_send(2freebsd) | Send a message to message queue (REALTIME). |
| mq_setattr(2freebsd) | Set message queue attributes (REALTIME). |
| mq_timedreceive(2freebsd) | Receive a message from message queue (REALTIME). |
| mq_timedsend(2freebsd) | Send a message to message queue (REALTIME). |
| msgctl(2freebsd) | Message control operations. |
| msgget(2freebsd) | Get message queue. |
| msgrcv(2freebsd) | Receive a message from a message queue. |
| msgsnd(2freebsd) | Send a message to a message queue. |
| msync(2freebsd) | Synchronize a mapped region. |
| munlock(2freebsd) | Lock (unlock) physical pages in memory. |
| munlockall(2freebsd) | Lock (unlock) the address space of a process. |
| munmap(2freebsd) | Remove a mapping. |
| nanosleep(2freebsd) | High resolution sleep. |
| nfssvc(2freebsd) | NFS services. |
| nmount(2freebsd) | Mount or dismount a file system. |
| ntp_adjtime(2freebsd) | Network Time Protocol (NTP) daemon interface system calls. |
| ntp_gettime(2freebsd) | Network Time Protocol (NTP) daemon interface system calls. |
| numa_getaffinity(2freebsd) | Manage NUMA affinity. |
| numa_setaffinity(2freebsd) | Manage NUMA affinity. |
| open(2freebsd) | Open or create a file for reading, writing or executing. |
| openat(2freebsd) | Open or create a file for reading, writing or executing. |
| pathconf(2freebsd) | Get configurable pathname variables. |
| pdfork(2freebsd) | System calls to manage process descriptors. |
| pdgetpid(2freebsd) | System calls to manage process descriptors. |
| pdkill(2freebsd) | System calls to manage process descriptors. |
| pdwait4(2freebsd) | System calls to manage process descriptors. |
| pipe(2freebsd) | Create descriptor pair for interprocess communication. |
| pipe2(2freebsd) | Create descriptor pair for interprocess communication. |
| poll(2freebsd) | Synchronous I/O multiplexing. |
| posix_fadvise(2freebsd) | Give advice about use of file data. |
| posix_fallocate(2freebsd) | Pre-allocate storage for a range in a file. |
| posix_madvise(2freebsd) | Give advice about use of memory. |
| posix_openpt(2freebsd) | Open a pseudo-terminal device. |
| ppoll(2freebsd) | Synchronous I/O multiplexing. |
| pread(2freebsd) | Read input. |
| preadv(2freebsd) | Read input. |
| procctl(2freebsd) | Control processes. |
| profil(2freebsd) | Control process profiling. |
| pselect(2freebsd) | Synchronous I/O multiplexing a la POSIX.1g. |
| ptrace(2freebsd) | Process tracing and debugging. |
| pwrite(2freebsd) | Write output. |
| pwritev(2freebsd) | Write output. |
| quotactl(2freebsd) | Manipulate file system quotas. |
| rctl_add_rule(2freebsd) | Manipulate and query the. |
| rctl_get_limits(2freebsd) | Manipulate and query the. |
| rctl_get_racct(2freebsd) | Manipulate and query the. |
| rctl_get_rules(2freebsd) | Manipulate and query the. |
| rctl_remove_rule(2freebsd) | Manipulate and query the. |
| read(2freebsd) | Read input. |
| readlink(2freebsd) | Read value of a symbolic link. |
| readlinkat(2freebsd) | Read value of a symbolic link. |
| readv(2freebsd) | Read input. |
| reboot(2freebsd) | Reboot system or halt processor. |
| recv(2freebsd) | Receive message(s) from a socket. |
| recvfrom(2freebsd) | Receive message(s) from a socket. |
| recvmmsg(2freebsd) | Receive message(s) from a socket. |
| recvmsg(2freebsd) | Receive message(s) from a socket. |
| rename(2freebsd) | Change the name of a file. |
| renameat(2freebsd) | Change the name of a file. |
| revoke(2freebsd) | Revoke file access. |
| rfork(2freebsd) | Manipulate process resources. |
| rmdir(2freebsd) | Remove a directory file. |
| rtprio(2freebsd) | Examine or modify realtime or idle priority. |
| rtprio_thread(2freebsd) | Examine or modify realtime or idle priority. |
| sbrk(2freebsd) | Change data segment size. |
| sched_get_priority_max(2freebsd) | Get scheduling parameter limits. |
| sched_get_priority_min(2freebsd) | Get scheduling parameter limits. |
| sched_getparam(2freebsd) | Set/get scheduling parameters. |
| sched_getscheduler(2freebsd) | Set/get scheduling policy and scheduler parameters. |
| sched_rr_get_interval(2freebsd) | Get scheduling parameter limits. |
| sched_setparam(2freebsd) | Set/get scheduling parameters. |
| sched_setscheduler(2freebsd) | Set/get scheduling policy and scheduler parameters. |
| sched_yield(2freebsd) | Yield processor. |
| sctp_generic_recvmsg(2freebsd) | Receive data from a peer. |
| sctp_generic_sendmsg(2freebsd) | Send data to a peer. |
| sctp_peeloff(2freebsd) | Detach an association from a one-to-many socket to its own fd. |
| select(2freebsd) | Synchronous I/O multiplexing. |
| semctl(2freebsd) | Control operations on a semaphore set. |
| semget(2freebsd) | Obtain a semaphore id. |
| semop(2freebsd) | Atomic array of operations on a semaphore set. |
| send(2freebsd) | Send message(s) from a socket. |
| sendfile(2freebsd) | Send a file to a socket. |
| sendmmsg(2freebsd) | Send message(s) from a socket. |
| sendmsg(2freebsd) | Send message(s) from a socket. |
| sendto(2freebsd) | Send message(s) from a socket. |
| setaudit(2freebsd) | Set audit session state. |
| setaudit_addr(2freebsd) | Set audit session state. |
| setauid(2freebsd) | Set audit session ID. |
| setegid(2freebsd) | Set user and group ID. |
| seteuid(2freebsd) | Set user and group ID. |
| setfib(2freebsd) | Set the default FIB (routing table) for the calling process. |
| setgid(2freebsd) | Set user and group ID. |
| setgroups(2freebsd) | Set group access list. |
| setitimer(2freebsd) | Get/set value of interval timer. |
| setlogin(2freebsd) | Get/set login name. |
| setloginclass(2freebsd) | Get/set login class. |
| setpgid(2freebsd) | Set process group. |
| setpgrp(2freebsd) | Set process group. |
| setpriority(2freebsd) | Get/set program scheduling priority. |
| setregid(2freebsd) | Set real and effective group ID. |
| setresgid(2freebsd) | Get or set real, effective and saved user or group ID. |
| setresuid(2freebsd) | Get or set real, effective and saved user or group ID. |
| setreuid(2freebsd) | Set real and effective user ID's. |
| setrlimit(2freebsd) | Control maximum system resource consumption. |
| setsid(2freebsd) | Create session and set process group ID. |
| setsockopt(2freebsd) | Get and set options on sockets. |
| settimeofday(2freebsd) | Get/set date and time. |
| setuid(2freebsd) | Set user and group ID. |
| shm_open(2freebsd) | Shared memory object operations. |
| shm_unlink(2freebsd) | Shared memory object operations. |
| shmat(2freebsd) | Attach or detach shared memory. |
| shmctl(2freebsd) | Shared memory control. |
| shmdt(2freebsd) | Attach or detach shared memory. |
| shmget(2freebsd) | Obtain a shared memory identifier. |
| shutdown(2freebsd) | Disable sends and/or receives on a socket. |
| sigaction(2freebsd) | Software signal facilities. |
| sigaltstack(2freebsd) | Set and/or get signal stack context. |
| sigblock(2freebsd) | Manipulate current signal mask. |
| sighold(2freebsd) | Legacy interface for signal management. |
| sigignore(2freebsd) | Legacy interface for signal management. |
| sigmask(2freebsd) | Manipulate current signal mask. |
| sigpause(2freebsd) | Legacy interface for signal management. |
| sigpending(2freebsd) | Get pending signals. |
| sigprocmask(2freebsd) | Manipulate current signal mask. |
| sigqueue(2freebsd) | Queue a signal to a process (REALTIME). |
| sigrelse(2freebsd) | Legacy interface for signal management. |
| sigreturn(2freebsd) | Return from signal. |
| sigset(2freebsd) | Legacy interface for signal management. |
| sigsetmask(2freebsd) | Manipulate current signal mask. |
| sigstack(2freebsd) | Set and/or get signal stack context. |
| sigsuspend(2freebsd) | Atomically release blocked signals and wait for interrupt. |
| sigtimedwait(2freebsd) | Wait for queued signals (REALTIME). |
| sigvec(2freebsd) | Software signal facilities. |
| sigwait(2freebsd) | Select a set of signals. |
| sigwaitinfo(2freebsd) | Wait for queued signals (REALTIME). |
| socket(2freebsd) | Create an endpoint for communication. |
| socketpair(2freebsd) | Create a pair of connected sockets. |
| statfs(2freebsd) | Get file system statistics. |
| swapoff(2freebsd) | Control devices for interleaved paging/swapping. |
| swapon(2freebsd) | Control devices for interleaved paging/swapping. |
| symlink(2freebsd) | Make symbolic link to a file. |
| symlinkat(2freebsd) | Make symbolic link to a file. |
| sync(2freebsd) | Schedule file system updates. |
| sysarch(2freebsd) | Architecture-dependent system call. |
| syscall(2freebsd) | Indirect system call. |
| __syscall(2freebsd) | Indirect system call. |
| thr_exit(2freebsd) | Terminate current thread. |
| thr_kill(2freebsd) | Send signal to thread. |
| thr_kill2(2freebsd) | Send signal to thread. |
| thr_new(2freebsd) | Create new thread of execution. |
| thr_self(2freebsd) | Return thread identifier for the calling thread. |
| thr_set_name(2freebsd) | Set user-visible thread name. |
| thr_suspend(2freebsd) | Suspend the calling thread. |
| thr_wake(2freebsd) | Wake up the suspended thread. |
| timer_create(2freebsd) | Create a per-process timer (REALTIME). |
| timer_delete(2freebsd) | Delete a per-process timer (REALTIME). |
| timer_getoverrun(2freebsd) | Per-process timers (REALTIME). |
| timer_gettime(2freebsd) | Per-process timers (REALTIME). |
| timer_settime(2freebsd) | Per-process timers (REALTIME). |
| truncate(2freebsd) | Truncate or extend a file to a specified length. |
| _umtx_op(2freebsd) | Interface for implementation of userspace threading synchronization primitives. |
| undelete(2freebsd) | Attempt to recover a deleted file. |
| unlink(2freebsd) | Remove directory entry. |
| unlinkat(2freebsd) | Remove directory entry. |
| unmount(2freebsd) | Mount or dismount a file system. |
| utimensat(2freebsd) | Set file access and modification times. |
| utimes(2freebsd) | Set file access and modification times. |
| utrace(2freebsd) | Insert user record in ktrace log. |
| uuidgen(2freebsd) | Generate universally unique identifiers. |
| vfork(2freebsd) | Create a new process without copying the address space. |
| wait(2freebsd) | Wait for processes to change status. |
| wait3(2freebsd) | Wait for processes to change status. |
| wait4(2freebsd) | Wait for processes to change status. |
| wait6(2freebsd) | Wait for processes to change status. |
| waitid(2freebsd) | Wait for processes to change status. |
| waitpid(2freebsd) | Wait for processes to change status. |
| write(2freebsd) | Write output. |
| writev(2freebsd) | Write output. |
| xsi_sigpause(2freebsd) | Legacy interface for signal management. |