| User Commands Section | Home Page | Subroutines Section |
| accept | accept - accept a connection on a socket |
| access | access - check user's permissions for a file |
| acct | acct - switch process accounting on or off |
| adjtimex | adjtimex - display or set the kernel time variables |
| afs_syscall | afs_syscall, break, gtty, lock, mpx, prof, stty, ulimit - unimplemented system calls |
| alarm | alarm - set an alarm clock for delivery of a signal |
| bdflush | bdflush - kernel daemon to flush dirty buffers back to disk. |
| bind | bind - bind a name to a socket |
| break | afs_syscall, break, gtty, lock, mpx, prof, stty, ulimit - unimplemented system calls |
| brk | brk, sbrk - change data segment size |
| cacheflush | cacheflush - flush contents of instruction and/or data cache |
| chdir | chdir, fchdir - change working directory |
| chmod | chmod - change the access permissions of files |
| chown | chown - change the user and group ownership of files |
| chroot | chroot - run command or interactive shell with special root directory |
| clone | clone - create a child process |
| close | close - close a file descriptor |
| connect | connect - initiate a connection on a socket |
| creat | open, creat - open and possibly create a file or device |
| create_module | create_module - create a loadable module entry |
| delete_module | delete_module - delete a loadable module entry |
| dup | dup, dup2 - duplicate a file descriptor |
| dup2 | dup, dup2 - duplicate a file descriptor |
| execve | execve - execute program |
| exit | _exit - terminate the current process |
| fchdir | chdir, fchdir - change working directory |
| fchmod | chmod, fchmod - change permissions of a file |
| fchown | chown, fchown, lchown - change ownership of a file |
| fcntl | fcntl - manipulate file descriptor |
| fdatasync | fdatasync - synchronize a file's in-core data with that on disk |
| flock | flock - apply or remove an advisory lock on an open file |
| fork | fork, vfork - create a child process |
| fstat | stat, fstat, lstat - get file status |
| fstatfs | statfs, fstatfs - get file system statistics |
| fsync | fsync - synchronize a file's complete in-core state with that on disk |
| ftruncate | truncate, ftruncate - truncate a file to a specified length |
| getdents | getdents - get directory entries |
| getdomainname | getdomainname, setdomainname - get/set domain name |
| getdtablesize | getdtablesize - get descriptor table size |
| getegid | getgid, getegid - get group identity |
| geteuid | getuid, geteuid - get user identity |
| getgid | getgid, getegid - get group identity |
| getgroups | getgroups, setgroups - get/set list of supplementary group IDs |
| gethostid | gethostid, sethostid - get or set the unique identifier of the current host |
| gethostname | gethostname, sethostname - get/set host name |
| getitimer | getitimer, setitimer - get or set value of an interval timer |
| getpagesize | getpagesize - get system page size |
| getpeername | getpeername - get name of connected peer |
| getpgid | setpgid, getpgid, setpgrp, getpgrp - set/get process group |
| getpgrp | setpgid, getpgid, setpgrp, getpgrp - set/get process group |
| getpid | getpid, getppid - get process identification |
| getppid | getpid, getppid - get process identification |
| getpriority | getpriority, setpriority - get/set program scheduling pri- ority |
| getresgid | getresuid, getresgid - get real, effective and saved user or group ID |
| getresuid | getresuid, getresgid - get real, effective and saved user or group ID |
| getrlimit | getrlimit, getrusage, setrlimit - get/set resource limits and usage |
| getrusage | getrlimit, getrusage, setrlimit - get/set resource limits and usage |
| getsid | getsid - get session ID |
| getsockname | getsockname - get socket name |
| getsockopt | getsockopt, setsockopt - get and set options on sockets |
| gettimeofday | gettimeofday, settimeofday - get / set time |
| getuid | getuid, geteuid - get user identity |
| get_kernel_syms | get_kernel_syms - retrieve exported kernel and module sym- bols |
| gtty | afs_syscall, break, gtty, lock, mpx, prof, stty, ulimit - unimplemented system calls |
| idle | idle - make process 0 idle |
| init_module | init_module - initialize a loadable module entry |
| intro | intro - Introduction to user commands |
| ioctl | ioctl - control device |
| ioctl_list | |
| ioperm | ioperm - set port input/output permissions |
| iopl | iopl - change I/O privilege level |
| ipc | ipc - System V IPC system calls |
| kill | kill - terminate a process |
| killpg | killpg - send signal to a process group |
| link | link - make a new name for a file |
| listen | listen - listen for connections on a socket |
| llseek | _llseek - reposition read/write file offset |
| lock | afs_syscall, break, gtty, lock, mpx, prof, stty, ulimit - unimplemented system calls |
| lseek | lseek - reposition read/write file offset |
| lstat | stat, fstat, lstat - get file status |
| mkdir | mkdir - make directories |
| mknod | mknod - make special files |
| mlock | mlock - disable paging for some parts of memory |
| mlockall | mlockall - disable paging for calling process |
| mmap | mmap, munmap - map or unmap files or devices into memory |
| modify_ldt | modify_ldt - get or set ldt |
| mount | mount - mount a file system |
| mprotect | mprotect - control allowable accesses to a region of mem- ory |
| mpx | afs_syscall, break, gtty, lock, mpx, prof, stty, ulimit - unimplemented system calls |
| mremap | mremap - re-map a virtual memory address |
| msgctl | msgctl - message control operations |
| msgget | msgget - get a message queue identifier |
| msgop | msgop - message operations |
| msgrcv | msgop - message operations |
| msgsnd | msgop - message operations |
| msync | msync - synchronize a file with a memory map |
| munlock | munlock - reenable paging for some parts of memory |
| munlockall | munlockall - reenable paging for calling process |
| munmap | mmap, munmap - map or unmap files or devices into memory |
| nanosleep | nanosleep - pause execution for a specified time |
| nfsservctl | nfsservctl - syscall interface to kernel nfs daemon |
| nice | nice - run a program with modified scheduling priority |
| obsolete | oldfstat, oldlstat, oldstat, oldolduname, olduname - obso- lete system calls |
| oldfstat | oldfstat, oldlstat, oldstat, oldolduname, olduname - obso- lete system calls |
| oldlstat | oldfstat, oldlstat, oldstat, oldolduname, olduname - obso- lete system calls |
| oldolduname | oldfstat, oldlstat, oldstat, oldolduname, olduname - obso- lete system calls |
| oldstat | oldfstat, oldlstat, oldstat, oldolduname, olduname - obso- lete system calls |
| olduname | oldfstat, oldlstat, oldstat, oldolduname, olduname - obso- lete system calls |
| open | open - start a program on a new virtual terminal (VT). |
| outb | outb, outw, outl, outsb, outsw, outsl - port output inb, inw, inl, insb, insw, insl - port input outb_p, outw_p, outl_p, inb_p, inw_p, inl_p - paused I/O |
| pause | pause - wait for signal |
| personality | personality - set the process execution domain |
| phys | phys - allow a process to access physical addresses [NOT IMPLEMENTED] |
| pipe | pipe - create pipe |
| poll | poll - wait for some event on a file descriptor |
| prctl | prctl - operations on a process |
| prof | afs_syscall, break, gtty, lock, mpx, prof, stty, ulimit - unimplemented system calls |
| profil | profil - execution time profile |
| ptrace | ptrace - process trace |
| query_module | query_module - query the kernel for various bits pertain- ing to modules. |
| quotactl | quotactl - manipulate disk quotas |
| read | read - read from a file descriptor |
| readdir | readdir - read directory entry |
| readlink | readlink - read value of a symbolic link |
| readv | readv, writev - read or write a vector |
| reboot | halt, reboot, poweroff - stop the system. |
| recv | recv, recvfrom, recvmsg - receive a message from a socket |
| recvfrom | recv, recvfrom, recvmsg - receive a message from a socket |
| recvmsg | recv, recvfrom, recvmsg - receive a message from a socket |
| rename | rename - change the name or location of a file |
| rmdir | rmdir - remove empty directories |
| sbrk | brk, sbrk - change data segment size |
| sched_getparam | sched_setparam, sched_getparam - set and get scheduling parameters |
| sched_getscheduler | sched_setscheduler, sched_getscheduler - set and get scheduling algorithm/parameters |
| sched_get_priority_max | sched_get_priority_max, sched_get_priority_min - get static priority range |
| sched_get_priority_min | sched_get_priority_max, sched_get_priority_min - get static priority range |
| sched_rr_get_interval | sched_rr_get_interval - get the SCHED_RR interval for the named process |
| sched_setparam | sched_setparam, sched_getparam - set and get scheduling parameters |
| sched_setscheduler | sched_setscheduler, sched_getscheduler - set and get scheduling algorithm/parameters |
| sched_yield | sched_yield - yield the processor |
| select | select, FD_CLR, FD_ISSET, FD_SET, FD_ZERO - synchronous I/O multiplexing |
| semctl | semctl - semaphore control operations |
| semget | semget - get a semaphore set identifier |
| semop | semop - semaphore operations |
| send | send - send a message |
| sendmsg | send, sendto, sendmsg - send a message from a socket |
| sendto | send, sendto, sendmsg - send a message from a socket |
| setdomainname | getdomainname, setdomainname - get/set domain name |
| setegid | setregid, setegid - set real and / or effective group ID |
| seteuid | setreuid, seteuid - set real and / or effective user ID |
| setfsgid | setfsgid - set group identity used for file system checks |
| setfsuid | setfsuid - set user identity used for file system checks |
| setgid | setgid - set group identity |
| setgroups | getgroups, setgroups - get/set list of supplementary group IDs |
| sethostid | gethostid, sethostid - get or set the unique identifier of the current host |
| sethostname | gethostname, sethostname - get/set host name |
| setitimer | getitimer, setitimer - get or set value of an interval timer |
| setpgid | setpgid, getpgid, setpgrp, getpgrp - set/get process group |
| setpgrp | setpgid, getpgid, setpgrp, getpgrp - set/get process group |
| setpriority | getpriority, setpriority - get/set program scheduling pri- ority |
| setregid | setregid, setegid - set real and / or effective group ID |
| setresgid | setresuid, setresgid - set real, effective and saved user or group ID |
| setresuid | setresuid, setresgid - set real, effective and saved user or group ID |
| setreuid | setreuid, seteuid - set real and / or effective user ID |
| setrlimit | getrlimit, getrusage, setrlimit - get/set resource limits and usage |
| setsid | setsid - run a program in a new session |
| setsockopt | getsockopt, setsockopt - get and set options on sockets |
| settimeofday | gettimeofday, settimeofday - get / set time |
| setuid | setuid - set user identity |
| setup | setup - setup devices and file systems, mount root file system |
| sgetmask | signal - ANSI C signal handling |
| shmat | shmop - shared memory operations |
| shmctl | shmctl - shared memory control |
| shmdt | shmop - shared memory operations |
| shmget | shmget - allocates a shared memory segment |
| shmop | shmop - shared memory operations |
| shutdown | shutdown - bring the system down |
| sigaction | sigaction, sigprocmask, sigpending, sigsuspend - POSIX signal handling functions. |
| sigblock | sigblock, siggetmask, sigsetmask, sigmask - manipulate the signal mask |
| siggetmask | sigblock, siggetmask, sigsetmask, sigmask - manipulate the signal mask |
| sigmask | sigblock, siggetmask, sigsetmask, sigmask - manipulate the signal mask |
| signal | signal - ANSI C signal handling |
| sigpause | sigpause - atomically release blocked signals and wait for interrupt |
| sigpending | sigaction, sigprocmask, sigpending, sigsuspend - POSIX signal handling functions. |
| sigprocmask | sigaction, sigprocmask, sigpending, sigsuspend - POSIX signal handling functions. |
| sigreturn | sigreturn - return from signal handler and cleanup stack frame |
| sigsetmask | sigblock, siggetmask, sigsetmask, sigmask - manipulate the signal mask |
| sigsuspend | sigaction, sigprocmask, sigpending, sigsuspend - POSIX signal handling functions. |
| sigvec | sigvec - BSD software signal facilities |
| socket | socket - create an endpoint for communication |
| socketcall | socketcall - socket system calls |
| socketpair | socketpair - create a pair of connected sockets |
| ssetmask | signal - ANSI C signal handling |
| stat | stat - print inode contents |
| statfs | statfs, fstatfs - get file system statistics |
| stime | stime - set time |
| stty | stty - change and print terminal line settings |
| swapoff | swapon, swapoff - enable/disable devices and files for paging and swapping |
| swapon | swapon, swapoff - enable/disable devices and files for paging and swapping |
| symlink | symlink - make a new name for a file |
| sync | sync - commit buffer cache to disk. |
| sysctl | sysctl - read/write system parameters |
| sysfs | sysfs - get file system type information |
| sysinfo | sysinfo - returns information on overall system statistics |
| syslog | syslog - read and/or clear kernel message ring buffer; set console_loglevel |
| time | time - get time in seconds |
| times | times - get process times |
| truncate | truncate, ftruncate - truncate a file to a specified length |
| ulimit | afs_syscall, break, gtty, lock, mpx, prof, stty, ulimit - unimplemented system calls |
| umask | umask - set file creation mask |
| umount | umount - unmount file systems |
| uname | uname - print system information |
| undocumented | none - undocumented system calls |
| unimplemented | afs_syscall, break, gtty, lock, mpx, prof, stty, ulimit - unimplemented system calls |
| unlink | unlink - delete a name and possibly the file it refers to |
| uselib | uselib - select shared library |
| ustat | ustat - get file system statistics |
| utime | utime, utimes - change access and/or modification times of an inode |
| utimes | utime, utimes - change access and/or modification times of an inode |
| vfork | fork, vfork - create a child process |
| vhangup | vhangup - virtually hangup the current tty |
| vm86 | vm86old, vm86 - enter virtual 8086 mode |
| wait | wait, waitpid - wait for process termination |
| wait3 | wait3, wait4 - wait for process termination, BSD style |
| wait4 | wait3, wait4 - wait for process termination, BSD style |
| waitpid | wait, waitpid - wait for process termination |
| write | write - send a message to another user |
| writev | readv, writev - read or write a vector |
| _exit | _exit - terminate the current process |
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