Characteristics of batch files

How to cancel a batch file

How to execute a batch file

Purpose of a batch file

Root Directory

Directory Structures

Understand the full path

Format of DOS Commands

The DOS Boot-Up process

The following DOS commands

Dir

Type

CD

MD

RD

Copy

DosKey

Wildcards

Echo

Understand the differences between the categories of peripheral devices

Blocking

Concept

Primary Purpose

Advantages

Disadvantages

Which of the variables involved in computing a device’s access time are required for a particular type of device

Buffering

DMA

Polling

Interrupts

The hardware and software components of the I/O subsystem

The responsibilities of the file manager and how it accomplishes them.

How to interact with the file manager

Device Independence

Complete, relative absolute file names

File organization

Record Format

Physical File Organization

Physical Storage allocation (contiguous and non-contiguous storage)

Data compression

Access control verification module