Storage Management fdisk -l df -hT lsscsi mount /dev/sdb /mnt unmount mnt General Command Yast2 --list this will display all utilities available in YAST init 0 shutdown the linux machine init 6 Restart the linux machine copy command is used to copy files and folder. cp --help help of copy command will be displayed scp command is used from one linux machine to other scp –r source destination scp –r /root/Desktop/pc email@example.com:/root /Desktop here red root is user of remote computer. It will copy pc folder of your computer and copy in Desktop folder of remote system. –r switch is used for folder copy. Network Services Commands ifconfig ip address sh ip a s ip a s eth0 rcnetwork status rcnetwork --help rcnetwork restart rcnetwork stop rcnetwork start ifdown eth0 ifdown etho Remote Administration ssh root@ip vnc server:2 here 2 is port of vnc it will ask password. To change the port of ssh server Edit the file etc\ssh\sshd_config Change the port and save the file Apply command following command rcsshd restart Now User can connect with vnc server machine. Process Management ps command will show all running processes in your linux system, you can relate it task manger in windows. ps ps a ps au ps aux kill -9 processid this will kill the specified process running in linux system. Password Management Passwd to change password from terminal If you are connect with root then you can directly change password without giving old password. Passwd devadm Here devadm is OS username.