Command
|
Example
|
Description
|
1. ls
|
ls
ls -alF
|
Lists files in current directory
List in long format
|
2. cd
|
cd tempdir
cd ..
cd ~dhyatt/web-docs
|
Change directory to tempdir
Move back one directory
Move into dhyatt's web-docs directory
|
3. mkdir
|
mkdir graphics
|
Make a directory called graphics
|
4. rmdir
|
rmdir emptydir
|
Remove directory (must be empty)
|
5. cp
|
cp file1 web-docs
cp file1 file1.bak
|
Copy file into directory
Make backup of file1
|
6. rm
|
rm file1.bak
rm *.tmp
|
Remove or delete file
Remove all file
|
7. mv
|
mv old.html new.html
|
Move or rename files
|
8. more
|
more index.html
|
Look at file, one page at a time
|
9. lpr
|
lpr index.html
|
Send file to printer
|
10. man
|
man ls
|
Online manual (help) about command
|
Command
|
Example
|
Description
|
1. grep
<str><files>
|
grep "bad word" *
|
Find which files contain a certain
word
|
2. chmod
<opt> <file>
|
chmod 644 *.html
chmod 755 file.exe
|
Change file permissions read only
Change file permissions to executable
|
3. passwd
|
passwd
|
Change passwd
|
4. ps
<opt>
|
ps aux
ps aux | grep dhyatt
|
List all running processes by #ID
List process #ID's running by dhyatt
|
5. kill
<opt> <ID>
|
kill -9 8453
|
Kill process with ID #8453
|
6. gcc (g++)
<source>
|
gcc file.c -o file
g++ fil2.cpp -o fil2
|
Compile a program written in C
Compile a program written in C++
|
7. gzip
<file>
|
gzip bigfile
gunzip bigfile.gz
|
Compress file
Uncompress file
|
8. mail
(pine)
|
mail
me@tjhsst.edu < file1
pine
|
Send file1 by email to someone
Read mail using pine
|
9. telnet
<host>
ssh <host>
|
telnet vortex.tjhsst.edu
ssh -l dhyatt jazz.tjhsst.edu
|
Open a connection to vortex
Open a secure connection to jazz as user dhyatt
|
10. ftp
<host>
ncftp <host/directory>
|
ftp station1.tjhsst.edu
ncftp metalab.unc.edu
|
Upload or Download files to
station1
Connect to archives at UNC
|
Command
|
Example
|
Description
|
1. who
|
who
|
Lists who is logged on your
machine
|
2. finger
|
finger
|
Lists who is on computers in the
lab
|
3. ytalk
<user@place>
|
ytalk dhyatt@threat
|
Talk online with dhyatt who is on
threat
|
4. history
|
history
|
Lists commands you've done
recently
|
5. fortune
|
fortune
|
Print random humerous message
|
6. date
|
date
|
Print out current date
|
7. cal
<mo> <yr>
|
cal 9 2000
|
Print calendar for September 2000
|
8. xeyes
|
xeyes &
|
Keep track of cursor (in
"background")
|
9. xcalc
|
xcalc &
|
Calculator ("background"
process)
|
10. mpage <opt>
<file>
|
mpage -8 file1
| lpr
|
Print 8 pages on a single sheet
and send to printer (the font will be small!)
|
Command
|
Example
|
Description
|
1. netscape
|
netscape &
|
Run Netscape browser
|
2. xv
|
xv &
|
Run graphics file converter
|
3. xfig /
xpaint
|
xfig & (xpaint &)
|
Run drawing program
|
4. gimp
|
gimp &
|
Run photoshop type program
|
5. ispell
<fname>
|
ispell file1
|
Spell check file1
|
6. latex
<fname>
|
latex file.tex
|
Run LaTeX, a scientific document
tool
|
7. xemacs /
pico
|
xemacs (or pico)
|
Different editors
|
8. soffice
|
soffice &
|
Run StarOffice, a full word processor
|
9. m-tools
(mdir, mcopy,
mdel, mformat, etc. )
|
mdir a:
mcopy file1 a:
|
DOS commands from UNIX (dir A:)
Copy file1 to A:
|
10. gnuplot
|
gnuplot
|
Plot data graphically
|
Command
|
Example
|
Description
|
1. df
|
df
|
See how much free disk space
|
2. du
|
du -b subdir
|
Estimate disk usage of directory
in Bytes
|
3. alias
|
alias lls="ls -alF"
|
Create new command "lls"
for long format of ls
|
4. xhost
|
xhost + threat.tjhsst.edu
xhost -
|
Permit window to display from
x-window program from threat
Allow no x-window access from other systems
|
5. fold
|
fold -s file1
| lpr
|
Fold or break long lines at 60
characters and send to printer
|
6. tar
|
tar -cf subdir.tar subdir
tar -xvf subdir.tar
|
Create an archive called
subdir.tar of a directory
Extract files from an archive file
|
7. ghostview
(gv)
|
gv filename.ps
|
View a Postscript file
|
8. ping
(traceroute)
|
ping threat.tjhsst.edu
traceroute www.yahoo.com
|
See if machine is alive
Print data path to a machine
|
9. top
|
top
|
Print system usage and top
resource hogs
|
10. logout (exit)
|
logout or exit
|
How to quit a UNIX shell.
|