!NSFW

This is a one step command to extract and untar a tar.gz file.

tar zxvf filename.tar.gz

z = Gunzip(uncompress) it before extracting, used on file ending in .tar.gz or .tgz
x = Extract the contents of the TAR file
v = Verbose – display contents as it is tarring or extracting
f = Filename to follow

Note: If the file does not have “.gz” extension that means its already uncompressed and one has to just extract it using “tar xvf” command.

This is a two step command to extract and untar the file.

gunzip filename.tar.gz

tar xvf filename.tar

In order to install Virtual Box Additions on your newly install Ubuntu virtual machine, you will need to fulfill the following dependencies.

Install dkms and the GNU C Compiler using the following command:

sudo apt-get install dkms gcc

Install the build and header files for Ubuntu using the following command:

sudo apt-get install linux-headers-$(uname -r)

$(uname -r) in the above command just passes your kernel version to apt-get