VSTa: Operating System, Microkernel, Device Driver, File System

Abstraction Layer: OSI model, Computer network, Protocol (computing), OpenGL, Byte stream, Unix,...

KERNELIS OPERATING System ARCHITECTURE: Microkernel Driven Design for Isolation Scheduling and Resilience

File Roller: GNOME, Desktop Environment, Solaris Operating System

Root Directory: Computing, File System, Directory (File Systems), Subdirectory, Operating Computer