Some Useful Commands

ഉബുണ്ടു ഉപയോഗിക്കുന്നവര്‍ അത്യാവശ്യം അറിഞ്ഞിരിക്കേണ്ട ചില കമാന്റുകളും അവയുടെ ഉപയോഗങ്ങളും ചുവടെ നല്‍കിയിരിക്കുന്നു.

കമാന്റ്	ഉപയോഗം
df -h	filesystem disk space usage for all partitions.
free -m	the amount of free and used memory in the system.
lsb_release -a	version information for the Linux release you're running
fsck	File system consistency check and repair
sudo nautilus	To open a file in the file system with root previleges
sudo passwd	To give root password
sudo lshw	to know the hardware information
lspci	to know the graphics card
ls usb	to know the usb devices connected
sudo cp -R /etc/apt /home/its/Desktop	to copy apt folder to its's Desktop(Here cp -R command is used to copy a folder and its content from one location to another. kalolsavam 'lampp' folder can also copy like this.
sudo chmod -R 777 /home/its/Desktop/apt	to give permission for copied opt folder