The free command in Linux is used to show the amount of free memory in Linux. The example below shows the default usage of this command. [email protected]:~$ free total used free shared buffers cached Mem: 602736 294680 308056 16928 17632 146320 -/+ buffers/cache: 130728 472008 Swap: 0 0 0 The free -m command will show …

This is how to automatically remove unneeded packages on your Linux Mint system. [email protected]:~$ sudo apt-get autoremove [sudo] password for jason: Reading package lists… Done Building dependency tree Reading state information… Done The following packages will be REMOVED: libglib2.0-0:i386 libgstreamer-plugins-base0.10-0 libgstreamer-plugins-base0.10-0:i386 libgstreamer0.10-0 libgstreamer0.10-0:i386 liborc-0.4-0:i386 libpgm-5.1-0 libpoppler57 libpth20 libsndio6.0 libzmq3 qtdeclarative5-qtfeedback-plugin qtdeclarative5-ubuntu-web-plugin 0 to upgrade, 0 …

Some very useful Linux shell commands and tricks. Print numbers in sequence. [[email protected] ~]$ seq 8 24 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24[[email protected] ~]$ seq 8 24 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 …

How to expand a VDI disk image on a Macintosh computer: http://mithunme.wordpress.com/2013/07/08/how-to-increase-the-disk-size-of-a-ubuntu-vdi-on-mac/. This would also be applicable to a Linux machine. A very useful tip. How to add a standard user to the /etc/sudoers file on a Macintosh computer: http://mithunme.wordpress.com/2013/02/10/adding-a-standard-user-to-etcsudoers-in-mac-os-x/. This is also applicable to a Linux machine. How to install World Of Warcraft on …

http://www.securitronlinux.com/bejiitaswrath/lovely-gtk-themes-for-the-linux-mint-mate-desktop/. Some very useful and attractive themes and wallpapers for Linux Mint MATE and other desktops. http://www.securitronlinux.com/linux-mint-2/how-to-install-a-lovely-windows-7-gtk-theme-on-linux-mint-14/. How to install a Windows 7 Basic styled theme for the MATE desktop. http://www.securitronlinux.com/bejiitaswrath/windows-8-metro-ui-theme-for-metacity-available-make-your-linux-mint-mate-desktop-look-like-windows-8/. how to install a Windows 8 Metacity theme for the Gnome and MATE desktops. This one is really good. http://www.securitronlinux.com/linux-mint-2/disable-desktop-icons-on-the-linux-mint-13-mate-desktop-very-easy-with-the-configuration-editor/. how to disable the …

The main thing about using Linux is getting it installed is one thing; but getting various hardware working and configured is another. Nvidia drivers are one major stumbling block for willing Ubuntu users. Here is a nice tutorial that explains how to install Nvidia drivers in Ubuntu 12.10 Quantal Quetzal: http://www.dedoimedo.com/computers/ubuntu-quetzal-nvidia.html. To install updates after the …

  http://gentoomen.org/tutorials/resources.html. The gentoomen.org resources page. Very good list of links to various tutorials and help pages. http://tldp.org/LDP/abs/html/. The Advanced BASH scripting guide. ftp://ftp.vim.org/pub/vim/doc/book/vimbook-OPL.pdf. The VIM guideboook. http://stommel.tamu.edu/~baum/programming.html. 3000 useful guides to programming and Linux documentation and help pages. http://samizdat.mines.edu/howto/HowToBeAProgrammer.html. How to be a programmer. A short but comprehensive summary. http://www.psychocats.net/ubuntu/index. Ubuntu resources page. Everything …