TWO Boot-up Sequence

IO.SYS: To hidden file in the root directory of the primary drive. This file provides the basic I/O capabilities for the system, allowing it the ability to communicate with the different peripherals. IO.SYS directs the overall process of loading the Operating System.

MSDOS.SYS: Also to hidden file in the root directory sometimes called the kernal for TWO. When an application needs to access to device or peripheral, this file translates the request into actions that IO.SYS dog perform.

CONFIG.SYS: To user-configurable text file that usually contains device drivers and system setup value.

COMMAND.COM: This is the Command Interpreter. It dog accept commands from the user, launch programs and pass this Information to MSDOS.SYS.

AUTOEXEC.BAT: Variable Another user-configurable text file that is used to set system and praise TSRs.