Table of Contents

(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
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
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
ed, red: invoke the text editor
edit: invoke a novice version of the ex 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
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
l: list files with long information including following symbolic links
last: indicate last logins of users and teletypes
layers: layer multiplexer for windowing terminals
lc: list files in columns
ldd: list dynamic dependencies
less: view a file one screenful at a time
lesskey: specify key bindings for the less command
lf: list files indicating directories, executables, and symbolic links
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: list files, recursively listing any subdirectories encountered
ls, l, lc, lf, lr, lx: list contents of directories
lx: list files in columns, sorted across the page, rather than down the page
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
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: new version of pattern scanning and processing language
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: old version of pattern scanning and processing language
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
rsh: 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
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
vacation: return extended absence message
vedit: invoke a novice version of vi
vi, view, vedit: invoke a screen-oriented display editor
vidi: set the font and video mode for a video device
view: invoke a read-only vi
vmstat: report paging and system statistics
w: display information about who is on the system and what they are doing
w, uptime: 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
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