|
• Computing Services
• Guides
• Contact Computing Services
|
|
|
|
UMM Home >
Computing Services >
Guides >
Unix Commands
|
|
Unix Commands
Note:For<x> notation, type a specific x there instead
(i.e.when you see <file>, type a file name there instead).
Click on a Section Name to jump to that section
Frequently Asked Questions
File Commands
Directories
Other File Commands
Other Misc Commands
Hints
How do I change my password?
How can I see who else is logged on?
How do I edit a file?
How do I check my disk space?
How do I print from Unix?
| list of files |
ls, ls -alF
|
|
list contents of
|
more <file>, less <file> (q to quit), cat <file>
|
|
edit/create new
|
pico <file> (ctrl-x to exit), vi <file> (:wq or ZZ to exit)
|
|
copy
|
cp <old> <new>
|
|
move/rename
|
mv <old> <new>
|
|
delete
|
rm <file>
|
|
print
|
lpr -P<printer_name> <file>
(no space in between the P and the printer name)
|
|
return to home
|
cd
|
|
show current directory
|
pwd
|
|
change directory
|
cd <directory> (cd .. just to back up one)
|
|
make new directory
|
mkdir <directory>
|
|
delete directory
|
rmdir <directory>
|
|
show disk space used
|
du (in Kbytes)
|
|
space used
|
quota
|
|
show print jobs
|
lpq -P<printer name>
|
|
set access privleges on file
|
chmod <#> <file> (#:700 protects, 777 unprotects)
|
|
count lines, words, chars in file
|
wc <file>
|
|
search for word in file
|
grep <word> <file>
|
|
sort lines of file
|
sort <file>
|
|
compare two files
|
cmp <file1> <file2>
|
|
show file type
|
file <file>
|
|
find a file
|
find <file>
|
|
give first few lines of a file
|
head <file>
|
|
transfer over network
|
ftp <hostname>
|
|
append file
|
cat <file1> <file2> <new file>
|
|
horizontally append
|
paste <file1> file2> <new file>
|
|
mail
|
pine
|
|
getting started hints
|
help
|
|
online command help
|
man <command>
|
|
be notified if mail arrives
|
biff <yes/no>
|
|
who you are
|
whoami
|
|
who else is logged in
|
who, finger, users, w
|
|
show time / date
|
date
|
|
What commands do
|
whatis <command>, apropos <command>
|
|
generate a calendar
|
cal [month] <year>
|
|
clear screen
|
clear
|
|
calculator
|
dc
|
|
echo text to screen
|
echo <text>
|
|
log into another computer
|
telnet <hostname>, rlogin <hostname>
|
|
log typed stuff to file
|
script <file> (type exit to end script command)
|
|
change password
|
passwd
|
|
give a command a nickname
|
alias <nickname> <command>
|
|
logout
|
exit
|
- Ctrl-D will exit you from a program or log you out (you might need
to hit it twice)
- <command> > <file>redirects output of a command to a
file - example: finger > myfile
- <command> >> <file> appends output of a command to
a file - example: date >> datefile
- | takes output from left side as input for right side - example: cat
myfile | more
- -<option> can be used immediately after most commands - example:
ls -l
- apropos 1 for list of commands (~15% are commonly used), then man <command>
for options and documentation
- A file called .login contains a list of commands that run every time
you log into your Unix account.
- A person's root directory is ~username.
Example: cd ~myusername would return control to your root directory
|
|
