cd
change directory(cd) is change the path to given path.
Ex: cd /home
cd /mnt
pwd
present working directory (pwd) it shows the current path.
Ex./home/Desktop
mv
move (mv) this command move file/directory to another directory. First argument is the file name and second argument is destination path
Ex. mv file.txt /home/Documents
rm
remove (rm) delete any type of file/directory.
Ex: rm file.txt
mkdir
make directory (mkdir) creates new directory in the current destination
Ex: mkdir test
rmdir
remove directory (rmdir) delete directory
Ex: rmdir test
ls
list (ls) displays all the files and directories
Ex: ls
touch
touch create a new file
Ex: touch file.txt
cat
cat displays the content in the file
Ex: cat file.txt
hostname
hostname display all the user name in the system
Ex: hostname
su
su change the owner from normal user to the super user
Ex: su
ifconfig
ifconfig displays the network parameters
Ex; ifconfig
man
manual (man) displays the manual page of a command
Ex: man mv