Acky.net > Tutorials > IRC ( Internet Relay Chat )

passwd	allows you to change your password
ls	lists the files in your directory
ls -la	lists all files in your directory and displays their permissions
cd <dir>	change directory, if you type cd by itself it will take you to your home directory.
cd ..	takes you up one level
who	shows you a list of people who are on the server
ps	displays a list of processes you are running
ps -ux	displays the processes you are running along with information about each process. Such as it's PID (Process ID Number)
kill -9 -1	kills all your processes (programs) that you have running
kill -9 <PID>	replace <PID> with the ID of the program that you want to stop
uptime	displays how long the server has been up and the loads of the server
pico	a text editor where you can edit files
vi	another text edit in UNIX, more complex
pine	a nice simple email program to read and send mail
mail	another email program
rm <file>	allows you to remove a file
rm -rf <dir>	allows you to remove a directory without prompting for confirmation
mkdir <dirname>	allows you to create a directory
cp <file1> <file2>	copy a file to another file
mv <file1> <file2>	move or rename a file
pwd	shows your current directory
quota -v	displays how much hard disk space you are using
du -sm /directory	gets the size of all the files in a directory in megabytes
echo -n "" > file	empties a file. Good for clearing log files
date	displays the server date and time
who am i	displays what username you are logged on as and from what hostname
w	displays a list of people who are on the server, as well as the server uptime and load averages
cat <file>	will print out the content of a file on the terminal screen
tail	display the last 5 lines of a file
head	displays the first 5 lines of a file
grep	will search files for a certain line
wc	displays word, line, and byte count of a file
wc -l	displays the number of lines in a file
sort	sorts text files by lines
uniq <file1> <file2>	reads a file and writes a copy of each unique input line to the standard output
chmod	allows you to change the permissions of a file
chmod +x	allows you to make a file executable
su	log in to super user ( root )
whereis	search for a file
locate	file files
gunzip	allows you to extract a .gz file
tar -xf	allows you to extract a .tar file
tar cpf something.tar <dir>	create a new tar file
gzip -9 something.tar	compress a file with maximum compression

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