Glossary and acronyms
Linux, a free kernel and a free operating system

POSIX (Portable Operating System Interface)

Set of standards for Unix-type operating systems.

GPL (General Public License)

Free software license developed and promoted by the FSF. Classified as viral because any modification/extension of the software must be made available under the same license.

FSF (Free Software Foundation)

Free software association, which is behind several free software licenses and develops and promotes the GNU project.

VFS (Virtual File System)

Linux kernel subsystem integrating all file systems into a single tree structure.

LVM (Logical Volume Manager)

Linux kernel subsystem used to decouple logical storage spaces ("logical volumes") from physical...