whatis

<B>Digital的Unix操作系统VAX 4.2源码</B>

setsid (2)		- POSIX create session and set process group ID
setsysinfo (2)		- set system information
setuid, seteuid, setruid, setgid, setegid, setrgid (3)	- set user and group ID
setupterm (3cur)	- perform low level terminal setup
set_term (3cur)		- switch between terminals
sg (4)			- Small VAX color video subsystem
sh (4)			- Small VAX DHT32 serial line interface
sh, for, case, if, while, :, ., break, continue, cd, eval, exec, exit, export, login, read, readonly, set, shift, times, trap, umask, wait (1) - command language
sh5, rsh5 (1)		- shell, the standard/restricted command programming language
shexp (1)		- display password expiration information for a user
shmctl (2)		- shared memory control operations
shmget (2)		- get shared memory segment
shmop, shmat, shmdt (2) - shared memory operations
shmx (8)		- shared memory exerciser
show (1mh)		- show (list) messages
showmount (8nfs)	- show remotely-mounted file systems
shutdown (2)		- shut down full-duplex connection
shutdown (8)		- close down the system at a given time
sigaction (3)		- software signal facilities (POSIX)
sigblock (2)		- block signals
sigemptyset, sigfillset, sigaddset, sigdelset, sigismember (3)	- manipulate signal sets (POSIX)
siginterrupt (3)	- allow signals to interrupt system calls
signal (3)		- simplified software signal facilities
sigpause (2)		- atomically release blocked signals and wait for interrupt
sigpending (2)		- examine pending signals
sigprocmask (3)		- examine and change blocked signals (POSIX)
sigsetjmp, siglongjmp (3)   - nonlocal goto
sigsetmask (2)		- set current signal mask
sigstack (2)		- set or get signal stack context
sigsuspend (3)		- wait for signal (POSIX)
sigvec (2)		- software signal facilities
sin, cos, tan, asin, acos, atan, atan2 (3m) - trigonometric functions
sinh, cosh, tanh (3m)	- hyperbolic functions
size (1)		- print program's sizes
sizer (8)		- a program that sizes system hardware
sleep (1)		- suspend execution for a time
sleep (3)		- suspend execution for interval
slocal (1mh)		- MH receive-mail hooks
sm (4)			- Small VAX monochrome video subsystem
snapcopy (8)		- copy VAX 8600/8650 snapshot files
snmpd (8n)		- Simple Network Management Protocol (SNMP) Agent for ULTRIX gateways and hosts
snmpd.conf (5n)		- Simple Network Management Protocol (SNMP) daemon  configuration file
snmpextregister, snmpextgetreq, snmpextrespond, snmpexterror (3n)   -  library routines available for building the  Extended ULTRIX SNMP Agent (Extended Agent)
snmpsetup (8n)		- set up the Simple Network Management Protocol (SNMP) Agent
socket (2)		- create an endpoint for communication
socketpair (2)		- create a pair of connected sockets
socket_equal (3ncs)	- compare two socket addresses
socket_family_from_name (3ncs)	- convert an address family name to an integer
socket_family_to_name (3ncs)	- convert an integer address family to a textual name
socket_from_name (3ncs) - convert a name and port number to a socket address
socket_to_name (3ncs)	- convert a socket address to a name and port number
socket_to_numeric_name (3ncs)	- convert a socket address to a numeric name and port number
socket_valid_families (3ncs)	- obtain a list of valid address families
socket_valid_family (3ncs)  - check whether an address family is valid
soelim (1)		- eliminate nroff source directives from nroff input
sort (1)		- sort file data
sort5 (1)		- internationalized System 5 sort and/or merge files
sortbib (1)		- sort bibliographic database
sortm (1mh)		- sort messages
sp (4)			- Small VAX user supplied device driver interface
spell, spellin, spellout (1)	- check text for spelling errors
spline (1g)		- interpolate smooth curve
split (1)		- split file into smaller files
ss (4)			- Small VAX serial line interface
stab (5)		- symbol table types
startcpu (2)		- start a CPU
startcpu (8)		- start one or all CPUs
stat, lstat, fstat (2)	- get file status
statd (8c)		- network status monitor daemon
statfs, (3)		- get file system statistics
statmon, current, backup, state (5) - statd directory and file structures 
stc (4)			- TZK50 (VAXstation TK50) magnetic tape interface
stcode (1ncs)		- translate a hexadecimal status code value to a textual message
stdio (3s)		- standard buffered input/output package
sticky (8)		- executable files with persistent text
stime (3)		- set time
stl_comp (5)		- software subset compression file
stl_ctrl (5)		- software subset control files
stl_key (5)		- setld kit manufacturing key file
stl_mi (5)		- software distribution master inventory file format
stopcpu (2)		- stop a CPU
stopcpu (8)		- stop one or all CPUs
strcasecmp, strncasecmp, strcat, strncat, strcmp, strncmp,  strcpy, strncpy, strlen,  strchr, strrchr, strpbrk, strspn, strcspn, strstr, strtok, index,	 rindex (3) - string operations
strcoll (3)		- string collation comparison
strextract (1int)	- batch string extraction
strftime (3)		- convert time and date to string
strings (1)		- print ASCII strings in program
strip (1)		- remove symbols and relocation bits
strmerge (1int)		- batch string replacement
strxfrm (3)		- string transformation
stty (1)		- set terminal options
stty, gtty (3)		- set and get terminal state 
style (1)		- analyze surface characteristics of a document
su (1)			- substitute a user ID 
subwin (3cur)		- create subwindow
sum (1)			- print object file's checksum
svc.conf (5)		- database service selection and security configuration file
svcsetup (8)		- set up the svc.conf file
swab (3)		- swap bytes
swapon (2)		- add a swap device for interleaved paging/swapping
swapon (8)		- specify additional device for paging and swapping
swap_lw_bytes, swap_word_bytes, swap_words (3)	- perform byte swapping operations
symlink (2)		- make symbolic link to a file
symorder (1)		- rearrange name list
sync (1)		- update the super block
sync (2)		- update super-block
syscall (2)		- indirect system call
sysconf (3)		- get configurable system variables (POSIX)
syscript (8)		- dialogue for running system exercisers
syslog (8)		- log systems messages
syslog, openlog, closelog (3)	- control system log
system (3)		- issue a shell command 
tabs (1)		- set tabs
tail (1)		- print lines from file
talk, otalk (1)		- talk to another user
talkd (8c)		- inter-terminal communications server
tapex (8)		- tape exerciser program
tar (1)			- multivolume archiver
tar, mdtar (5)		- tape archive file format
tarsets (1)		- subset kitting command file generator
tbl (1)			- format tables for nroff or *roff
tcp (4p)		- Internet Transmission Control Protocol
tee (1)			- pipe output to terminal and file
telnet (1c)		- user interface to the TELNET protocol
telnetd (8c)		- DARPA TELNET protocol server
term (5)		- terminal driving tables for nroff
term (7)		- conventional names for terminals
termcap (5)		- terminal capability data base
terminfo (5)		- terminal capability database
termio (4)		- System V terminal interface
termios (4)		- POSIX terminal interface
test (1)		- test conditional expression
test (1sh5)		- condition evaluation command
tftp (1c)		- trivial file transfer program
tftpd (8c)		- DARPA Trivial File Transfer Protocol (TFTP) server
tgetent, tgetnum, tgetflag, tgetstr, tgoto, tputs (3x)	- terminal independent operation routines
tgetent, tgetnum, tgoto, tgetstr, tgetflag (3cur)   - emulate termcap for old programs
tic (1)			- terminfo compiler
time (1)		- time a command
time, ftime (3)		- get date and time
timed (8)		- time server daemon
timedc (8)		- timed control program
times (3)		- get process times
tip, cu (1c)		- connect to a remote system
tmpfile (3s)		- create a temporary file
tmpnam, tempnam (3s)	- create a name for a temporary file
tms (4)			- TMSCP magnetic tape interface
touch (1)		- update access and modification times of a file
touchwin (3cur)		- touch window
toupper, tolower, _toupper, _tolower, toascii (3)   - translate characters
tparm (3cur)		- instantiate a string 
tputs (3cur)		- pad and output string
tr (1)			- translate characters
trace (1)		- trace system calls of programs
trace (4)		- system call tracing interface
trace (5)		- system call tracer device
traceon, traceoff (3cur)    - enable or disable debug trace output
trans (1int)		- translation tool for use with source message catalogs
trigger (8)		- trigger a target node to request a down-line load
trpt (8c)		- transliterate protocol trace
true, false (1)		- provide test for status values
truncate, ftruncate (2) - truncate a file to a specified length
ts (4)			- TS11/TS05/TU80 magnetic tape interface
tsearch, tfind, tdelete, twalk (3)  - manage binary search trees
tset (1)		- set terminal mode
tsort (1)		- create topological sort
tty (1)			- print current terminal name
tty (4)			- general terminal interface
ttyname, isatty, ttyslot (3)	- find terminal name
ttys (5)		- terminal initialization data
tu (4)			- TM03/TE16/TU45/TU77 magnetic tape interface
tunefs (8)		- tune up an existing file system
typeahead (3cur)	- check for typeahead
types (5)		- primitive system data types
tz (4)			- SCSI magnetic tape interface
tzfile (5)		- time zone information
t_accept (3xti)		- accept a connect request
t_alloc (3xti)		- allocate a library structure 
t_bind (3xti)		- bind an address to a transport endpoint 
t_close (3xti)		- close a transport endpoint 
t_connect (3xti)	- establish a connection with another transport user
t_error (3xti)		- produces error message 
t_free (3xti)		- free a library structure 
t_getinfo (3xti)	- get protocol-specific service information 
t_getstate (3xti)	- get the current state 
t_listen (3xti)		- listen for a connect request 
t_look (3xti)		- look at the current event on a transport endpoint
t_open (3xti)		- establish a transport endpoint
t_optmgmt (3xti)	- manage options for a transport endpoint 
t_rcv (3xti)		- receive data or expedited data sent over a connection 
t_rcvconnect (3xti)	- receive the confirmation from a connect request
t_rcvdis (3xti)		- retrieve information from disconnect
t_rcvrel (3xti)		- acknowledge receipt of an orderly release indication
t_rcvudata (3xti)	- receive a data unit
t_rcvuderr (3xti)	- receive a unit error indication 
t_snd (3xti)		- send data or expedited data over a connection
t_snddis (3xti)		- send user-initiated disconnect request
t_sndrel (3xti)		- initiate an orderly release
t_sndudata (3xti)	- send a data unit
t_sync (3xti)		- synchronize transport library 
t_unbind (3xti)		- disable a transport endpoint. 
udp (4p)		- Internet User Datagram Protocol
uerf (8)		- ULTRIX error report formatter	 
ufs (5)			- ULTRIX local file system
ul (1)			- process underscores for terminal 
ulimit (3)		- get and set user limits
umask (2)		- set file creation mask
uname (1)		- print name of current UNIX system
uname (2)		- get name of current system
unctrl (3cur)		- convert character to printable form
unget (1)		- undo a previous get of an SCCS file
ungetc (3s)		- push character back into input stream
uniq (1)		- report repeated lines in a file
unlink (2)		- remove directory entry
update (8)		- periodically update the super block
uptime (1)		- display system status
USERFILE (5)		- defines uucp security
users (1)		- print names of users who are logged in
ustat (2)		- get file system statistics
utime (3)		- set file times
utimes (2)		- set file times
utmp, wtmp (5)		- login records
uucico (8)		- uucp file transfer daemon
uuclean (8c)		- uucp spool directory clean-up
uucompact, uumkspool, uurespool, uupoll (8c)	- uucp utilities 
uucp, uulog, uuname (1c)    - unix to unix copy
uucpsetup (8)		- uucp set up program
uuencode (5)		- format of an encoded uuencode file
uuencode, uudecode (1c) - encode/decode a binary file for transmission via mail
uuid_decode (3ncs)	- convert a character-string representation of a UUID into a UUID structure
uuid_encode (3ncs)	- convert a UUID into its character-string representation
uuid_equal (3ncs)	- compare two UUIDs
uuid_gen (1ncs)		- UUID generating program
uuid_gen (3ncs)		- generate a new UUID
uumonitor (8c)		- monitor the UUCP system
uusend (1c)		- send a file to a remote host
uustat (1c)		- uucp status inquiry and job control
uux (1c)		- unix to unix command execution
val (1)			- validate SCCS file
valloc (3)		- aligned memory allocator
varargs (3)		- variable argument list
vc (1)			- version control program
vcc (1)			- VAX C compiler
vdoc (1)		- invokes CDA Viewer for character-cell displays
vfork (2)		- spawn new process in a virtual memory-efficient way
vhangup (2)		- virtually hang up the current control terminal
vi (1)			- screen editor
vidattr, vidputs (3cur) - output a string that sets terminal display 
view (1)		- displays a file using the vi commands 
vipw (8)		- edit the password file
vlimit (3)		- control maximum system resource consumption
vmstat (1)		- report virtual memory statistics
vprintf, vfprintf, vsprintf (3int)  - print formatted output of a varargs argument list
vprintf, vfprintf, vsprintf (3s)    - print formatted output of a varargs argument list
vtimes (3)		- get information about resource utilization
w (1)			- display who is logged in and what they are doing
wait (1)		- wait for process completion
wait, wait3, waitpid (2)    - wait for process to terminate
wall (1)		- write to all users
wc (1)			- count words, lines, and characters
wcstombs (3int)		- converts a string of type wchar_t into a multibyte character string
wctomb (3int)		- converts a character of type	wchar_t to a multibyte character.
what (1)		- display ID keywords from SCCS file
whatis (1)		- display command description
whatnow (1mh)		- prompting front-end for send
whereis (1)		- locate source, binary, and or manual for program
which (1)		- locate program file 
who (1)			- print who and where users are logged in 
whoami (1)		- print your current login name
whom (1mh)		- report to whom a message is addressed
wnoutrefresh, doupdate (3cur)	- do efficient refresh
write (1)		- write message to another user
write, writev (2)	- write on a file
xargs (1)		- construct argument list and execute command 
xf (8)			- transparent filter
xlator_call (8)		- shell script to invoke PostScript translators
xna (4)			- DEBNI and DEMNA Ethernet interfaces
xsend, xget, enroll (1) - secret mail (available only if the Encryption layered product is installed)
xstr (1)		- extract strings from C program 
yacc (1)		- yet another compiler-compiler
yes (1)			- be repetitively affirmative
ypcat (1yp)		- print values from a YP data base
ypfiles (5yp)		- Yellow Pages data base and directory structure
ypmake (8yp)		- rebuild yellow pages (YP) database using the make command
ypmatch (1yp)		- print the value of one or more keys from a yp map
yppasswd (1yp)		- change password in yellow pages (YP) service.
yppasswd (3yp)		- update user password in yellow pages password map.
yppasswdd (8yp)		- server daemon for modifying the yellow pages (YP) password file
yppoll (8yp)		- determine which version of a yellow pages (YP) map is at a master YP server host.
yppush (8yp)		- force propagation of a changed yellow pages (YP) map
ypserv, ypbind (8yp)	- yellow pages (YP) server and binder processes
ypsetup (8yp)		- set up the yellow pages (YP) environment
ypwhich (1yp)		- determine which host is the current YP server or map master.
ypxfr (8yp)		- transfer a yellow pages (YP) map from a YP server to the local host.
yp_get_default_domain, yp_bind, yp_unbind, yp_match, yp_first, yp_next, yp_all, yp_order, yp_master, yperr_string, ypprot_err  (3yp) - Yellow Pages client package
zdump (8)		- time zone dumper
zic (8)			- time zone compiler
_exit (2)		- terminate a process