How to use the Linux file manager for GNOME 2
Before GNOME 3 there was (unsurprisingly) GNOME 2, which had gained an ardent fanbase during its reign as one of the common default Linux desktops. The Mate project (named after the yerba mate plant) began as an effort to continue the GNOME 2 desktop, at first using GTK 2 (the toolkit GNOME 2 was based upon) and later incorporating GTK 3. Today, Mate delivers a familiar desktop environment that looks and feels exactly like GNOME 2 did, using the GTK 3 toolkit. Part of that desktop is the Caja file manager, a simple but robust application that helps you sort and organize your data.