Linux Commands

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This is a list of basic DOS commands and their Linux equivalents.

DOS UNIX
attrib chmod
dir ls
cls clear
copy cp
del rm
deltree rm -R or rmdir
edit vi
move or rename mv
cd cd
more more
md mkdir
This is a comprehensive list of Linux BASH commands. For more information about a particular command use the manual pages by typing man XXXXXX where XXXXXX is the name of the command.

A
alias Create an alias
awk Find and Replace text within file(s)
B
break Exit from a loop
builtin Run a shell builtin
C
cal Display a calendar
case Conditionally perform a command
cat Display the contents of a file
cd Change Directory
chgrp Change group ownership
chmod Change access permissions
chown Change file owner and group
chroot Run a command with a different root directory
cksum Print CRC checksum and byte counts
clear Clear terminal screen
cmp Compare two files
comm Compare two sorted files line by line
command Run a command - ignoring shell functions
continue Resume the next iteration of a loop
cp Copy one or more files to another location
cron Daemon to execute scheduled commands
crontab Schedule a command to run at a later time
csplit Split a file into context-determined pieces
cut Divide a file into several parts
D
date Display or change the date & time
dc Desk Calculator
dd Data Dump - Convert and copy a file
declare Declare variables and give them attributes
df Display free disk space
diff Display the differences between two files
diff3 Show differences among three files
dir Briefly list directory contents
dircolors Colour setup for `ls'
dirname Convert a full pathname to just a path
dirs Display list of remembered directories
du Estimate file space usage
E
echo Display message on screen
ed A line-oriented text editor (edlin)
egrep Search file(s) for lines that match an extended expression
eject Eject CD-ROM
enable Enable and disable builtin shell commands
env Display, set, or remove environment variables
eval Evaluate several commands/arguments
exec Execute a command
exit Exit the shell
expand Convert tabs to spaces
export Set an environment variable
expr Evaluate expressions
F
factor Print prime factors
false Do nothing, unsuccessfully
fdformat Low-level format a floppy disk
fdisk Partition table manipulator for Linux
fgrep Search file(s) for lines that match a fixed string
find Search for files that meet a desired criteria
fmt Reformat paragraph text
fold Wrap text to fit a specified width
for Expand words and execute commands
format Format disks or tapes
free Display memory usage
fsck Filesystem consistency check and repair
function Define function macros
G
gawk Find and Replace text within file(s)
getopts Parse positional parameters
grep Search file(s) for lines that match a given pattern
groups Print group names a user is in
gzip Compress or decompress named file(s)
H
hash Remember the full pathname of a name argument
head Output the first part of file(s)
history Command history
hostname Print or set system name
I
id Print user and group id's
if Conditionally perform a command
import Capture an X server screen and save the image to file
info Help info
install Copy files and set attributes
J
join Join lines on a common field
K
kill Stop a process from running
L
less Display output one screen at a time
let Perform arithmetic on shell variables
ln Make links between files
local Create variables
locate Find files
logname Print current login name
logout Exit a login shell
lpc Line printer control program
lpr Off line print
lprint Print a file
lprintd Abort a print job
lprintq List the print queue
lprm Remove jobs from the print queue
ls List information about file(s)
M
m4 Macro processor
man Help manual
mkdir Create new folder(s)
mkfifo Make FIFOs (named pipes)
mknod Make block or character special files
more Display output one screen at a time
mount Mount a file system
mtools Manipulate MS-DOS files
mv Move or rename files or directories
N
nice Set the priority of a command or job
nl Number lines and write files
nohup Run a command immune to hangups
P
passwd Modify a user password
paste Merge lines of files
pathchk Check file name portability
popd Restore the previous value of the current directory
pr Convert text files for printing
printcap Printer capability database
printenv Print environment variables
printf Format and print data
ps Process status
pushd Save and then change the current directory
pwd Print Working Directory
Q
quota Display disk usage and limits
quotacheck Scan a file system for disk usage
quotactl Set disk quotas
R
ram Ram disk device
rcp Copy files between two machines
read Read a line from standard input
readonly Mark variables/functions as readonly
remsync Synchronize remote files via email
return Exit a shell function
rm Remove files
rmdir Remove folder(s)
rpm Remote Package Manager
rsync Remote file copy (Synchronize file trees)
S
screen Terminal window manager
sdiff Merge two files interactively
sed Stream Editor
select Accept keyboard input
seq Print numeric sequences
set Manipulate shell variables and functions
shift Shift positional parameters
shopt Shell Options
shutdown Shutdown or restart linux
sleep Delay for a specified time
sort Sort text files
source Run commands from a file
split Split a file into fixed-size pieces
su Substitute user identity
sum Print a checksum for a file
symlink Make a new name for a file
sync Synchronize data on disk with memory
T
tac Concatenate and write files in reverse
tail Output the last part of files
tar Tape ARchiver
tee Redirect output to multiple files
test Evaluate a conditional expression
time Measure program resource use
times User and system times
touch Change file timestamps
top List processes running on the system
traceroute Trace Route to host
trap Run a command when a signal is set(bourne)
tr Translate, squeeze, and/or delete characters
true Do nothing, successfully
tsort Topological sort
tty Print filename of terminal on stdin
type Describe a command
U
ulimit Limit user resources
umask Users file creation mask
umount Unmount a device
unalias Remove an alias
uname Print system information
unexpand Convert spaces to tabs
uniq Uniquify files
units Convert units from one scale to another
unset Remove variable or function names
unshar Unpack shell archive scripts
until Execute commands (until error)
useradd Create new user account
usermod Modify user account
users List users currently logged in
uuencode Encode a binary file
uudecode Decode a file created by uuencode
V
v Verbosely list directory contents (`ls -l -b')
vdir Verbosely list directory contents (`ls -l -b')
W
watch Execute/display a program periodically
wc Print byte, word, and line counts
whereis Report all known instances of a command
which Locate a program file in the user's path
while Execute commands
who Print all usernames currently logged in
whoami Print the current user id and name (`id -un')
X
xargs Execute utility, passing constructed argument list(s)
Y
yes Print a string until interrupted

 

A Dos to Linux Conversion Sheet

     This is a collection of the most widely used commands on an operating system. These are a list of a number of DOS commands and their Linux equivilents.
 
DOS
LINUX
System Help
help command man command 
man -k keyword
List Files in Directories
dir  {directory} 
dir /p  {directory page at a time} 
dir /w  {wide directory list}		 ls -l  {long directory list} 
ls | more  {directory page at a time} 
ls {wide directory list}
Copy Files From -- To Current Directory 
copy c:\cs370\foo.txt  a:\foo.txt cp /cs370/foo.txt  foo.txt 
Copy Directories From -- To Current Directory
xcopy /s c:\cs370 cp -r /cs370
What Directory am I In??
cd pwd  {print working directory}
Deleting Files
del filename  
del *.cpp   {all files with .cpp extension}		 rm filename 
rm *.cpp {all files with .cpp extension}
Printing Files
copy filename lpt1: lpr -Pallaser filename
Display Files on Screen
type filename 
type filename | more  {page at a time} 
 		 cat filename 
more filename {page at a time} 
less filename {page at a time with arrows and pgup/pgdown}
Clear the Screen
cls clear
Editors
edit filename 
 
 		 vi filename 
pico filename 
sse filename
Compilers
bc - Borland C/C++ compiler cc  - C compiler
gcc - GNU C compiler
cpp - C++ compiler
c++ - C++ compiler
g++ - GNU C++ compiler
Change Directories
cd \cs370 
cd \ {root directory} 
cd .. {up one level of directories}		 cd /cs370 
cd {moves to home directory} 
cd ..  {up one level}
Make a New Directory
md dirname mkdir dirname
Delete a Directory
rd dirname rmdir dirname
Rename Files
ren oldname newname mv oldname newname