> cal - Calendar 2000
> who - Who is logged on
> finger - Details of logged on users
> write - To send messages to users
> ctrl+D - End of file
> mesg n - To deny talking
> mesg - To know the status
> man - Help command
> cat - Display multiple files.
> clear - Clear screen.
> date - Displays the system date.
> cd - Change directories.
> chmod - Change security mode of a
file or directory.
> cp - copy files from one directory to
another.
> mv - Move or rename files.
> cut - Select and extract columns or
fields
from a file.
> echo - Display the specified
Arguments on the output device.
> find - Locate a file which meet the
search criteria.
> grep - Select lines or rows that
match a specified pattern.
> kill - End a process.
> ln - Creates link directories between
files,thereby allowing more than
one name for a file.
> lp - Print a file.
> ls - lists a directory’s contents,
including its files and
subdirectories
> mkdir - Make a new directory.
> passwd - Change your Unix password.
> pwd - Display your current path.
> rm - Remove a file
> rmdir - Remove a directory
> sh - Execute a shell script.
> sort - Sort and merge multiple files.
> trap - Executes a command when a
specified signal is received from
the operating system.
> Type cd and press enter to make sure you are
in your home directory.
> mkdir to make a new
directory
> ls to see the contents in your
directory.
> ll to see the contents in your
directory.
> cat to create a new
file.
> ctrl + z to save the file.