There are some commands for Linux :cat
Example: $ cat filename
Function: Displays the contents of a file on the screen.
cd
Function: Used to move the directory as cd in windows functionality.
chmod
Example: $ chmod 777 filename / directory name
Function: Used to add and subtract users permission to access files or directories.
chown
Function: Used to change owner of a file or directory.
cp
Example: $ cp
To copy a file or copy. For example to copy file1 to file2.
find
Example: $ find. -name *. doc-print
Function: To find the location of a file.
grep
Example: $ grep
Function: Used to search for files containing text with the criteria you have set
gzip
Example: $ gzip
Function: Used to compress a file
kill
Example: $ kill
Function: Used to stop the process running.
ls
Function: Used to display the contents of a directory like dir command in windows.
lsmod
Function: Used to view the modules there
rmmod
Function: Used to remove the modules have
mkdir
Example: $ mkdir
Function: Used to Create a new directory as the DOS md command.
mv
Function: Used to move files from one location to another.
pwd
Function: Used to display the name of the directory where you at that time was.
passwd
Function: Used to change the root password.
ps aux
Function: Used to look at the processes running.
rm
Function: Used to delete a file, but by default rm command does not remove directories.
rmdir
Function: Used to delete an empty directory.
rpm
Function: Used to install rpm files
su
Function: Used to temporarily login as another user.
start
Function: A command to run the service.
stop
Function: A command to stop the service.
shutdown
Function: A command to turn off the system.
tar
Example: $ tar or
Function: Save and extract the files from media such as tape drives or hard disk.
unzip
Example: $ unzip
Function: Used to describe the extract or compress files with zip.
who
Function: Used to show anyone who was logged.
