passwd - To change your
password
exit – exits the Unix session. You can also use
logout.
ls - To list files in a directory.
cd - To navigate the file tree, or to change your
directory. Type cd home to go to the directory home.
cp – To copy files. Type cp [filename] [path] , for
example, cp file.txt /home/file2.txt would copy file.txt to the location
/home as file2.txt.
rm – To remove files. Type rm [filename] to delete
them.
mv - To rename files. Type mv [oldname] [newname] ,
for example, mv file.txt file2.txt would rename to file2.txt.
mkdir – To make a new directory, used mkdir
[directoryname]
rmdir – To remove a directory, used rmdir
[directoryname]
who – Will display who is logged in right now.
w - Displays what each user is doing right now.
man – Will display the basic manual for a command or
program, i.e. man ls will display information on ls.
df – Displays how much free space is left on the disk.
chmod – Change permissions (see Web Page Faq’s for
permissions)
chgrp – Change group ownership of file or directory
chown – Change owner of file or directory
clear – clears the screen
grep – Searches inside files.
locate – search for files.
pwd – current working directory
ps – list of processes
kill – kill process
Basic programs available:
ftp – connects to an ftp server, allowing easy file
transfer.
telnet - telnet to a server, connecting you to their
Unix system.
mail - basic email program.
vi – basic and popular vi editor.
To know about the command details and syntax , type ‘man
[command name]‘ in the console.