[ | see test |
apropos | man -k |
ar | library archive |
arch | machine architecture |
at | schedule for later |
atq | at queue |
atrm | remove from at queue |
autoconf | code management tool |
automake | code management tool |
awk | pattern scanning and processing |
basename | strip directory and suffix from filenames |
bash | shell |
batch | executes commands when system load levels
permit |
bc | arbitrary precision calculator |
bunzip2 | file uncompressor |
bzcat | decompresses files to stdout |
bzip2 | file compressor |
bzless | decompresses files to stdout via more/less |
cal | calendar |
cat | concatenate and print files |
cdecl | compose C and C++ type declarations |
chfn | change your finger information |
chgrp | change group ownership of a file |
chmod | change file access permissions of a file |
chown | change file owner and group of a file |
chsh | change your login shell |
cksum | checksum and count the bytes in a file |
clear | clear the terminal screen |
cmp | compare two files (binary) |
colrm | remove columns from a file |
column | columnate lists |
comm | compare two sorted files line by line |
compress | compress file |
cp | copy files and directories |
cpio | copy files to and from archives |
cproto | K&R -> ANSI |
crontab | schedule regular events |
csplit | split a file into sections determined by
context |
ctags | generate tag file for Emacs |
cut | remove sections from each line of files |
cvs | Concurrent Versions System |
date | print the system date and time |
dc | arbitrary precision calculator (reverse polish) |
dd | convert and copy a file |
df | report filesystem disk space usage |
diff | find differences between two files |
diff3 | find differences between three files |
dir | list directory contents |
dirname | strip non-directory suffix from file name |
du | estimate file space usage |
echo | display a line of text |
ed | line oriented text editor |
egrep | print lines matching a pattern |
env | run a program in a modified environment |
ex | line oriented version of vi |
expand | convert tabs to spaces |
expr | evaluate expressions |
factor | find prime factors of an integer |
false | do nothing, unsuccessfully |
fgrep | print lines matching a pattern |
file | determine file type |
find | search for files in a directory hierarchy |
fmt | simple optimal text formatter |
fold | wrap each input line to fit in specified width |
gawk | pattern scanning and processing language |
gdb | GNU Debugger |
grep | print lines matching a pattern |
groups | print the groups a user is in |
gunzip | expand files |
gzip | compress files |
head | output the first part of files |
id | print real and effective UIDs and GIDs |
indent | indent a C program |
install | copy files and set attributes |
ispell | spelling checker |
join | join lines of two files on a common field |
kill | send a signal to a process |
killall | kill by name |
last | show listing of last logged in users |
less | opposite of more |
ln | make links between files |
locale | describes a locale definition file |
locate | quickly search for files |
login | sign onto a system |
lpq | spool queue examination program |
lpr | off line print |
lprm | remove jobs from the line printer spooling queue |
ls | list directory contents |
lynx | tty oriented web browser |
make | maintain groups of programs |
man | manual pages |
md5sum | compute and check MD5 message digest |
merge | three-way file merge |
mkdir | make directories |
mkfifo | create named pipes (FIFOs) |
more | file perusal filter for crt viewing |
mv | move (rename) files |
newgrp | log in to a new group |
nice | run a program with modified scheduling priority |
nl | number lines of files |
nm | list symbols from object files |
nohup | run a command immune to hangups |
objdump | display information from object files |
od | dump files in octal and other format |
passwd | update a user's password |
paste | merge lines of files |
patch | apply a diff file to an original |
perl | Practical Extraction and Report Language |
pr | paginate text files for printing |
printenv | print all or part of environment |
printf | format and print data |
ps | report process status |
pstree | display a tree of processes |
pwd | print name of current/working directory |
python | an interpreted, interactive, object-oriented
language |
quota | display disk usage and limits |
ranlib | generate index to archive |
rcp | remote file copy |
rcs | Revision Control System |
rdist | remote file distribution client program |
renice | alter priority of running processes |
reset | reset a tty |
rev | reverse lines of a file |
rexec | remote execution client (do not use!) |
rlogin | remote login (do not use!) |
rm | remove files or directories |
rmdir | remove empty directories |
rpm | Red Hat Package Manager |
rsh | remote shell (do not use!) |
rsync | faster, flexible replacement for rcp |
rup | remote machine status |
ruptime | remote machine uptime |
rusers | remote machine users |
rwho | remote machine users |
script | make typescript of terminal session |
sed | stream editor |
sh | shell |
shar | shell archive |
size | list section sizes and total size. |
sleep | delay for a specified amount of time |
sort | sort lines of text files |
ssh | secure remote shell |
strace | trace system calls and signals |
strings | print the strings of printable characters in
files |
strip | discard symbols from object files |
su | run a shell with substitute user and group IDs |
sum | checksum and count the blocks in a file |
tail | output the last part of files |
talk | talk to another user |
tar | tape archiving |
tcl | tool command language |
tcsh | shell |
tee | read from standard input and write to standard output
and files |
telnet | login to remote machines |
test | check file types and compare values |
time | run and time a commmand |
top | display top CPU processes |
touch | change file timestamps |
tr | translate or delete characters |
true | do nothing, successfully |
tsort | perform topological sort |
tty | print the file name of the terminal connected to
standard input |
type | show full path of commands |
uncompress | expand data |
unexpand | convert spaces to tabs |
uniq | remove duplicate lines from a sorted file |
unshar | unpack a shar file |
uptime | tell how long the system has been running |
users | print the user names of users currently logged |
usleep | sleep some number of microseconds |
uudecode | decode a file created by uuencode |
uuencode | encode a binary file |
vi | visual editor |
w | show who is logged on and what they are doing |
wall | send a message to everybody's terminal |
wc | print the number of bytes, words, and lines in
files |
which | show full path of commands |
who | show who is logged on |
whoami | print effective userid |
wish | simple windowing shell |
write | send a message to another user |
xargs | build and execute command lines from standard
input |
yes | output a string repeatedly until killed |
zcat | expand files |
zsh | shell |