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List of all unix commands from Unix System V


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System Calls for UNIX System V
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File and Device Input/Output
----------------------------
open Open a file for input/output
close Conclude input/output to a file
read Read data from a file
write Write data to a file
lseek Move file pointer in file
ioctl Device control operations
fcntl File control operations
fstat Get file status information
dup Duplicate file descriptor
chdir Change working directory
chroot Change to a different root directory

File Creation, Status, and Security
-----------------------------------
creat Create a new file
mknod Create a directory or special file
link Create a new link to a file
unlink Remove a link to a file
access Get file access permissions
chmod Change file access permissions
chown Change the owner of a file
utime Change file access/modification times
stat Get file status
umask Set/get file creation mask
mount Mount a file system
umount Unmount a file system
ustat Get file system statistics

Process Control
---------------
exec Execute a new program
pause Suspend process, awaiting a signal
alarm Set process alarm clock
exit Terminate process
fork Start a child process
wait Await termination of child process
kill Terminate or send signal to a process
signal Specify action in response to signal
nice Change process priority

Process Status
--------------
getpid Get process id number
getppid Get parent process id number
setpgrp Set the process group id number
getpgrp Get process group id number
setuid Set user id number
getuid Get user id number
setgid Set group id number
getgid Get group id number
geteuid Get effective user id number
getegid Get effective group id number
times Get process execution time information
ulimit Get and set process limits
brk Request additional main memory
plock Lock a process in main memory

Interprocess Communications and Synchronizations
------------------------------------------------
pipe Create a pipe
msgget Open a message buffer
msgop Send/receive messages through a message buffer
msgctl Control a message buffer
semget Open a set of semaphores for use
semop Perform operations on a semaphore
semctl Control a semaphore
maus Access shared memory
shmget Open shared memory for use
shmop Attach to shared memory
shmctl Control shared memory

Miscellaneous
-------------
acct Enable/disable accounting
profil Enable/disable executing profiling
ptrace Trace execution of child process
stime Set time and date
time Get time of day
sync Flush kernel file buffers
uname Get name of current UNIX system

Utilities in UNIX System V
--------------------------
acctcom Searches and prints accounting files
adb Absolute debugger
admin Creates and administers SCCS files
ar Maintains portable archives
as Assembler
asa Interprets ASA carriage control characters
awk Patter scanning and processing language
banner Makes banners
basename Output the file name from a path name
bc Desktop calculator with programming constructs
bdiff Compares two large files
bfs Scans big files
bs A compiler/interpreter
cal Outputs a calendar
calendar Appointment scheduler
cancel Cancels spooling requests
cat Concatenates and prints file
cb Formats C programs
cc C language compiler
cd Changes the current working directory
cdc Changes comments for an SCCS delta
cflow Generates flow graphics
chgrp Changes group ownershihp of a file
chmod Changes file access permissions
chown Changes ownership of a file
cmp Compares two files
col Filters reverse line feeds
comb combines SCCS deltas
comm Selects or rejects lines common to two sorted files
convert Converts formats of object and archive files
cp Copies files
cpio Copies file archives
cpp C language preprocessor
crypt Encodes and decided files.
csplit Splits files based on pattern matching
ct Spawns a getty process to a remote terminal
cu Calls another UNIX system
cut Selects columns from a tabular file
cw Prepares constant-width text for troff
cxref Generates a C program cross reference
date Sets and prints the date
dc Desktop calculator
dd Performs file transformations
delta Make a change to an SCCS file
deroff Removes formatting commands from a file
diff Compares two files
diff3 Compares three files
diffmk Marks the differences between files
dircmp Compares directories
dirname Outputs the path from a path name
disable Disables spooling on a printer
du Summarizes disk usage
dump Dumps selected parts of an object file
echo Echoes arguments
ed Line-oriented text editor
efl An extended FORTRAN language compiler
enable Enables spooling on a printer
env Sets environment for command execution
eqn Mathematical equation formatter
expr Evaluates expressions
f77 FORTRAN compiler
factor Factors a number
false Returns a false value
file Determines file type
find Searches for files
fsplit Splits FORTRAN source files
gath Gathers files for RJE execution
ged Graphics editor
get Gets a version of an SCCS file
getopt Parses command options
graph Draws a graph
graphics Accesses graphical and numerical commands
grep Selects lines of a file based on pattern matching
gutil Graphical utilities
help Asks for help
hyphen Finds hyphenated words
id Outputs user and group id's and names
ipcrm Removes shared memory and semaphores
ipcs Reports interprocess communication status
join Joins two tabular data files
kill Terminates or signals processes
ld Link editor
lex Generates lexical analysis routines
line Copies a line from standard input to output
lint C language syntax checker
ln Links file nams
login Admits autorized users to a system
logname Outputs the user's login name
lorder Finds the ordering relation for an object library
lp Line printer spooler
lpr Line printer spooler
lpstat Prints spooling status information
ls Lists contents of directories
m4 Macro processor
mail Sends and receives UNIX mail
make Regenerates groups of programs
makekey Generates an encryption key
man Prints on-line manual entries
mesg Permits or denies messages
mkdir Makes a directory
mm Text-formatting macros
mmt Typesetting macros
mv Moves files
newform Reformats lines of a text file
newgrp Changes active group membership
news Prints new items
nice Runs a program at reduced priority
ni Line-numbering filter
nm Prints names from a common object file
nohup Runs a program immune from hang-ups and quits
nroff Text formatter
od Outputs an octal dump of a file
pack Packs files
passwd Changes a user's password
paste Merges lines of files
pcat Concatenates packed files
pcc Portable C compiler
pr Prints files
prof Outputs execution profile data
prs Prints an SCCS file
ps Outputs process status
ptx Generates a permuted index
pwd Prints the name of the current working directory
ratfor Compiler for a dialect of FORTRAN
regcmp Regular expression compiler
rjestat Outputs RJE status
rm Removes files names
rmdir Removes directories
rmdel Removes an SCCS delta
rsh Restricted UNIX system shell.
sact Prints current SCCS editing activity
sadp Outputs disk access profile area
sag Outputs s system activity graph
sar Outputs a system activity report
scat Concatenates and prints files
sccsdiff Compares two versions of an SCCS file
sdb Symbolic debugger
sdiff Compares two files
se Screen editor
sed Stream editor
send Submits RJE jobs for execution
sh The UNIX system shell
size Prints the sizes of object files
sleep Suspends execution for a time interval
sno SNOBOL interpreter
sort Sorts and merges file
spell Finds spelling errors
spline Interpolates smooth curves
split Splits a file
stat Statistical network for graphics
strip Removes symbol table information from an object file
stty Sets terminal characteristics
su Temporarily changes user-id
sum Outputs checksum and block count for a file
sync Writes disk buffers to disk
tabs Sets tabs on a terminal
tail Outputs the last part of a file
tar Tape file archiving
tbl Table formatter
tee Pipe fitter
test Evaluates conditions
time Times command execution
timex Times command execution
toc Generates graphics table of contents
touch Updates access and modification times of a file
tplot Graphics filters
tr Character translation filter
troff Phototypesetter text formatter
true REturns a true value
tsort Topological sort
tty Outputs the name of a terminal
umask Sets file creation mode mask
uname Outputs the name of the current UNIX system
unget Ungets an SCCS file
uniq Outputs a file with unique lines
units Performs units conversions
unpack Unpacks packed files
uucp Copies files between UNIX system
uulog Outputs uucp logo information
uuname Outputs uucp names of known systems
uustat Outputs uucp status information
uuto Copies file between UNIX systems
uupick Selects uucp files for processing
uux Executes a command on a remote UNIX system
val Validates SCCS files
vc Version control
wait Waits for completion of background processes
wc Outputs line, word and character counts for a file
what Identifies SCCS files
who Outputs information on current users
write Sends messages to another user
xargs Constructs an argument list and executes a command
yacc A compiler-generating tool
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