4.4BSD/usr/src/share/man/man0/toc2

.xx "intro" "introduction to system calls and error numbers"
.xx "accept" "accept a connection on a socket"
.xx "access" "check access permissions of a file or pathname"
.xx "acct" "enable or disable process accounting"
.xx "adjtime" "correct the time to allow synchronization of the system clock"
.xx "bind" "bind a name to a socket"
.xx "brk" "change data segment size"
.xx "chdir" "change current working directory"
.xx "chflags" "set file flags"
.xx "chmod" "change mode of file"
.xx "chown" "change owner and group of a file"
.xx "chroot" "change root directory"
.xx "close" "delete a descriptor"
.xx "connect" "initiate a connection on a socket"
.xx "creat" "create a new file"
.xx "dup" "duplicate an existing file descriptor"
.xx "execve" "execute a file"
.xx "_exit" "terminate the calling process"
.xx "fcntl" "file control"
.xx "flock" "apply or remove an advisory lock on an open file"
.xx "fork" "create a new process"
.xx "fsync" "synchronize a file's in-core state with that on disk"
.xx "getdirentries" "get directory entries in a filesystem independent format"
.xx "getdtablesize" "get descriptor table size"
.xx "getfh" "get file handle"
.xx "getfsstat" "get list of all mounted filesystems"
.xx "getgid" "get group process identification"
.xx "getgroups" "get group access list"
.xx "getitimer" "get/set value of interval timer"
.xx "getlogin" "get/set login name"
.xx "getpeername" "get name of connected peer"
.xx "getpgrp" "get process group"
.xx "getpid" "get parent or calling process identification"
.xx "getpriority" "get/set program scheduling priority"
.xx "getrlimit" "control maximum system resource consumption"
.xx "getrusage" "get information about resource utilization"
.xx "getsockname" "get socket name"
.xx "getsockopt" "get and set options on sockets"
.xx "gettimeofday" "get/set date and time"
.xx "getuid" "get user identification"
.xx "ioctl" "control device"
.xx "kill" "send signal to a process"
.xx "killpg" "send signal to a process group"
.xx "ktrace" "process tracing"
.xx "link" "make a hard file link"
.xx "listen" "listen for connections on a socket"
.xx "lseek" "reposition read/write file offset"
.xx "madvise" "give advise about use of memory"
.xx "mincore" "get advise about use of memory"
.xx "mkdir" "make a directory file"
.xx "mkfifo" "make a fifo file"
.xx "mknod" "make a special file node"
.xx "mlock" "lock (unlock) physical pages in memory"
.xx "mmap" "map files or devices into memory"
.xx "mount" "mount or dismount a filesystem"
.xx "mprotect" "control the protection of pages"
.xx "msync" "synchronize a mapped region"
.xx "munmap" "remove a mapping"
.xx "nfssvc" "NFS services"
.xx "open" "open or create a file for reading or writing"
.xx "pathconf" "get configurable pathname variables"
.xx "pipe" "create descriptor pair for interprocess communication"
.xx "profil" "control process profiling"
.xx "ptrace" "process trace"
.xx "quotactl" "manipulate filesystem quotas"
.xx "read" "read input"
.xx "readlink" "read value of a symbolic link"
.xx "reboot" "reboot system or halt processor"
.xx "recv" "receive a message from a socket"
.xx "rename" "change the name of a file"
.xx "revoke" "revoke file access"
.xx "rmdir" "remove a directory file"
.xx "select" "synchronous I/O multiplexing"
.xx "send" "send a message from a socket"
.xx "setgroups" "set group access list"
.xx "setpgid" "set process group"
.xx "setregid" "set real and effective group ID"
.xx "setreuid" "set real and effective user ID's"
.xx "setsid" "create session and set process group ID"
.xx "setuid" "set user and group ID"
.xx "shutdown" "shut down part of a full-duplex connection"
.xx "sigaction" "software signal facilities"
.xx "sigaltstack" "set and/or get signal stack context"
.xx "sigblock" "block signals"
.xx "sigpause" "atomically release blocked signals and wait for interrupt"
.xx "sigpending" "get pending signals"
.xx "sigprocmask" "manipulate current signal mask"
.xx "sigreturn" "return from signal"
.xx "sigsetmask" "set current signal mask"
.xx "sigstack" "set and/or get signal stack context"
.xx "sigsuspend" "atomically release blocked signals and wait for interrupt"
.xx "sigvec" "software signal facilities"
.xx "socket" "create an endpoint for communication"
.xx "socketpair" "create a pair of connected sockets"
.xx "stat" "get file status"
.xx "statfs" "get file system statistics"
.xx "swapon" "add a swap device for interleaved paging/swapping"
.xx "symlink" "make symbolic link to a file"
.xx "sync" "synchronize disk block in-core status with that on disk"
.xx "syscall" "indirect system call"
.xx "truncate" "truncate a file to a specified length"
.xx "umask" "set file creation mode mask"
.xx "unlink" "remove directory entry"
.xx "utimes" "set file access and modification times"
.xx "vfork" "spawn new process in a virtual memory efficient way"
.xx "wait" "wait for process terminatation"
.xx "write" "write output"