(C) - Operating system commands, utilities

(C) - Operating system commands, utilities


Intro
introduces UNIX commands

[
test conditions

300, 300s
handle special functions of DASI 300 and 300s terminals

300s
handle special functions for the DASI 300s terminal

4014
paginator for the TEKTRONIX 4014 terminal

450
handle special functions of the DASI 450 terminal

alias, unalias
create, display, or delete alias definitions

apropos
locate commands by keyword lookup

asa
interpret printer control codes

assign, deassign
assign and deassign devices

at, batch
execute commands at a later time

atdialer
configurable modem dialer for UUCP

auths
list and/or restrict kernel privileges

awk, oawk, nawk
pattern scanning and processing language

banner
print large letters

basename
remove directory names from pathnames

batch
schedule jobs for execution when the system load permits

bc
invoke a calculator

bdiff
compare files too large for diff(C)

bfs
scan big files

bg, fg
run jobs in the background or foreground

cal
print a calendar

calendar
invoke a reminder service

cancel
cancel requests to lineprinter

cat
concatenate and display files

cd
change working directory

checkmail
check for MMDF mail that has been submitted but not delivered

chgrp
change group ID

chmod
change the access permissions of a file or directory

chown
change owner ID

cksum
write file checksums and sizes

clear
clear a terminal screen

cmp
compare two files

col
filter reverse linefeeds

comm
select or reject lines common to two sorted files

command
execute a simple command

compress, uncompress, zcat
compress data for storage, uncompress and display compressed files

copy
copy groups of files

corex
convert new-style core image dumps to old-style (obsolete)

cp
copy files

cpio
copy file archives in and out

cpset
install object files in binary directories

cron
execute commands scheduled by at, batch, and crontab

crontab
schedule commands to be executed at regular intervals

crypt
encode/decode

csh
invoke a shell command interpreter with C-like syntax

cshrc
csh control file

csplit
split files according to context

ct
spawn getty to a remote terminal

ctags
create a tags file

cu
call another UNIX/XENIX system

cut
cut out selected fields of each line of a file

date
print and set the date

dc
invoke an arbitrary precision calculator

dd
convert and copy a file

deassign
deassign devices

deroff
remove nroff/troff, tbl, and eqn constructs

devnm
identify device name

df
report number of free disk blocks

dfspace
report disk space

diff
compare two text files

diff3
compare three files

dircmp
compare directories

dirname
deliver directory part of pathname

disable
turn off terminals and printers

diskcmp
compare floppy disks

diskcp, diskcmp
copy or compare floppy disks

doscat
display a DOS file

doscmd: doscat, doscp, dosdir, dosformat, dosmkdir, dosls, dosrm, dosrmdir
manipulates DOS files and filesystems

doscp
copies a DOS file to UNIX system

dosdir
list DOS directories in the DOS DIR style

dosformat
format a DOS floppy

dosls
lists DOS directories in the UNIX system ls style

dosmkdir
make a directory on a DOS disk

dosrm
remove files from a DOS disk

dosrmdir
remove directories from a DOS disk

dspmsg
print message from message catalog

dtox
change file format from MS-DOS to UNIX

dtype
determine disk type

du
summarize disk usage

echo
echo arguments

edit
invoke a novice version of the ex text editor

ed, red
invoke the text editor

egrep
search a text file for one or more patterns

enable
turn on terminals and line printers

env
set environment for command execution

ex, edit
invoke a text editor

expand
convert tabs to spaces

expr
evaluate arguments as an expression

factor
factor a number

false
return with a non-zero exit value

fc
process the command history list

fg
run jobs in the foreground

fgrep
search a text file for a fixed string

file
determine file type

find
find files

finger
find information about users

fixhdr
change executable binary file headers

fold
filter for folding lines

format
format floppy disks

ftpcount
shows current number of ftp users for each class

ftpwho
shows current ftp user processes

getconf
print configuration dependent values

getopt
parse command options

getoptcvt
convert shell scripts to use getopts instead of getopt

getopts, getoptcvt
parse command options

getprops
get local printer options

gets
get a string from the standard input

getserno
output the serial number

greek
select terminal filter

grep, egrep, fgrep
search files for a pattern

hash
remember, report, or forget command locations

hashcheck
recreate the hash codes in a hashed spelling list

hashmake
generate hash codes for a list of words

hd
display files in hexadecimal format

head
print the first few lines of a file

hello
send a message to another user

hp
handle special functions of Hewlett-Packard terminals

hwconfig
read hardware configuration information

i286
return a true value if a machine is a 286

i286emul
emulate UNIX 80286 (obsolete)

i386
return a true value if a machine is a 386 or fully compatible

i486
return a true value if a machine is a 486 or fully compatible

iAPX286
return a true value if a machine is a 286

iconv
international codeset conversion

id
print user and group IDs and names

ismpx
return windowing terminal state

jobs
display status of jobs

join
join two relations

jterm
reset layer of windowing terminal

jwin
print size of layer

kill
terminate a process

ksh, rksh
Korn shell, a command and programming language

last
indicate last logins of users and teletypes

layers
layer multiplexer for windowing terminals

l C
list contents of directory in long format

lc C
list contents of directory in columns

ldd
list dynamic dependencies

less
view a file one screenful at a time

lesskey
specify key bindings for the less command

lf C
list contents of directory in columns indicating object type

line
read one line

ln
make a link to a file

locale
get locale-specific information

localedef
define locale environment

lock
lock a user's terminal

logger
make entries in the system log

logname
get login name

lp, lpr
send requests to lineprinter

lpr
send request to lineprinter

lprint
print to a printer attached to the user's terminal

lpstat, rlpstat
print information about status of (remote) lp print service

lr C
list contents of directory recursively in columns

ls, lc, l, lf, lr, lx
list contents of directory

lx C
list contents of directory in columns sorted horizontally

m4
macro processor

machid: i286, iAPX286, i386, i486 (also: vax, mc68k, pdp11, u370, u3b, u3b15, u3b2, u3b5)
get truth value dependent on processor type

mail, mailx
interactive message processing system

mailx
interactive message processing system

make.dialer
script used to create an atdialer

man
display reference manual pages

mcart
Irwin mini-cartridge tape maintenance program (obsolete)

mcs
manipulate the comment section of an object file

menu
menu/form interface generator

menu_colors.sh
menu tool environment variables

mesg
permit or deny messages sent to a terminal

mkdir
make a directory

mkfifo
make a FIFO special file

mknod
build special files

mnt, umnt
mount/unmount filesystems

more, page, less
view a file one screenful at a time

mv
move or rename files and directories

nawk
alternate name for awk(C)

newform
change the format of a text file

newgrp
change to a new group

news
print news items

nice
run a command at a different scheduling priority

nl
add line numbers to a file

nohup
run a command immune to hangups and quits

oawk
alternate name for awk(C)

od
display files in octal format

pack, pcat, unpack
compress and expand files

page
view a file one screenful at a time

passwd
change login, or modem (dialup shell) password

paste
merge lines of files

patch
apply changes to a file

pathchk
check pathnames

pax
portable archive exchange

pcat
display a packed file

pcpio
copy file archives in and out

pfmt
display error message in standard format

pg
paginate display on terminals

pkginfo
display software package and/or set information

pkgmk
produce an installable package

pkgparam
displays package parameter values

pkgproto
generate a prototype file

pkgtrans
translate package format

pr
print files on the standard output

printenv
print environment for command execution

printf
print formatted output

prwarn
warn about password expiration

ps
report process status

pstat
report system information

ptar
process tape archives

purge
overwrite specified files

pwd
print working directory name

random
generate a random number

rcp.mn
copy files between systems in a Micnet network

rcvalert
notify user about newly received mail

rcvfile
put message into named file

rcvprint
print message automatically

rcvtrip
notify mail sender that recipient is away

read
read a line from standard input

recon
escape sequence reconglomerator and tty connection redirector

red
invoke a restricted text editor

remote
execute commands on another system in a Micnet network

renice
adjust scheduling priorities of running processes

resend
redistribute mail using the Resent- notation

rksh
invoke a restricted Korn shell

rlpstat
print information about status of remote lp print service

rm
remove files or directories

rmdir
remove directories

rshell
invoke a restricted shell (command interpreter)

scosh
menu-driven SCO Shell with calendar, mail, and calculator

sddate
print and set backup dates

sdiff
compare files side-by-side

sed
invoke the stream editor

setcolor, setcolour
set color and other attributes of the console screen

setcolour
set colour and attributes of the console screen

setkey
assign the function keys

setpgrp
set the process group of a program

setsizecvt
generates files in the space format for pkg sets

sg
set groups

sh
invoke the shell command interpreter

shl
shell layer manager

sleep
suspend execution for an interval

slot
read the microchannel configuration registers

sort
sort and merge files

spell, hashmake, spellin, hashcheck
find spelling errors

spellin
write a spelling list from hash codes

spline
interpolate a smooth curve from a set of points

split
split a file into pieces

strings
find the printable strings in an object file

STTY
set terminal modes

stty, STTY
set terminal modes

su
make the user a super user or another user

sum
calculate a checksum and count the blocks in a file

tabs
set tabs on a terminal

tail
display the last part of a file

tape
magnetic tape maintenance program

tapecntl
AT&T tape control for QIC-24/QIC-02 tape device

tapedump
dump magnetic tape to output file

tar
archive files

tee
create a tee in a pipe

test
test conditions

tic
terminfo compiler

time
time a command

touch
update access and modification times of a file

tput
query the terminfo database

tr
translate characters

translate
translate files from one format to another

true
return with a zero exit value

truss
trace process execution

tset
set terminal modes

tty
get the terminal's name

type
determine command type

ulimit
set or report file-size limit

umask
get or set file-creation mode mask

umnt
unmount a filesystem

unalias
delete alias definitions

uname
print the name of the operating system

uncompress
uncompress data

undelete
administer versioned files

unexpand
convert spaces to tabs

uniq
report repeated lines in a file

units
convert units

unpack
unpack a file

uptime
display information about system activity

uptime
display summary information about system activity

usemouse
map mouse input to keystrokes

uucp, uulog, uuname
UNIX-to-UNIX system copy

uudecode
decode a uuencoded binary file

uuencode, uudecode
encode/decode a binary file for transmission via mail

uulog
query a log of uucp or uuxqt transactions

uuname
list names of systems known to uucp

uupick
accept or reject the files transmitted to the user

uustat
uucp status inquiry and job control

uuto, uupick
public UNIX-to-UNIX system file copy

uux
UNIX-to-UNIX system command execution

vedit
invoke a novice version of vi

vidi
set the font and video mode for a video device

view
invoke a read-only vi

vi, view, vedit
invoke a screen-oriented display editor

vmstat
report paging and system statistics (obsolete)

w
display information about who is on the system and what they are doing

wait
await completion of background processes

wc
count words, lines, and characters or bytes

what
identify SCCS files

whatis
describe what a command is

who
list who is on the system

whodo
determine who is doing what

write
write to another user

w, uptime
display information about who is on the system and what they are doing

x286emul
emulate XENIX 80286

xargs
construct and execute commands

xtod
change file format from UNIX to MS-DOS

xtract
extract a file from a cpio archive and stop

yes
print string repeatedly

zcat
display compressed files

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SCO OpenServer Release 6.0.0 -- 03 June 2005