Maricopa Community Colleges  ELT145   19906-19925 
Official Course Description: MCCCD Approval: 04/24/90
ELT145 19906-19925 LEC 2 Credit(s) 2 Period(s)
DOS 4.0.1 Microcomputer Disk Operating System
DOS managers, files, commands, and usage; DOS shell; output redirection and piping; EDLIN editor; batch and configuration files; file directory and file allocation tables; DOS installation on floppy and hard disks. Prerequisites: BPC101AA or equivalent or permission of department.
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MCCCD Official Course Competencies:
 
ELT145   19906-19925 DOS 4.0.1 Microcomputer Disk Operating System
1. Describe the various versions of DOS. (I)
2. Explain the concepts of directories and subdirectories. (I)
3. Describe the DOS Managers. (II)
4. Describe the two types of DOS commands. (III)
5. Use internal and external DOS commands. (III)
6. Explain the usage of the DOS editing keys. (III)
7. Differentiate between piping and redirection, and use both with DOS commands. (IV)
8. Use the DOS shell to create, display, and print files. (V)
9. Use the DOS shell to manupulate files. (V)
10. Use the DOS shell to create, rename, snf delete directories, (V)
11. Use the EDLIN editor to create and edit files. (VI)
12. Describe and create batch files, including the AUTOEXEC.BAT file. (VII)
13. Explain the purpose of the CONFIG.SYS file and how it is used. (VII)
14. Explain the contents and purpose of FD and FAT, and identify their locations. VIII)
15. Display the FD and FAT using Debug utility. (VIII)
16. Describe the steps required to install DOS on floppy and hard disks. (IX, X)
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MCCCD Official Course Outline:
 
ELT145   19906-19925 DOS 4.0.1 Microcomputer Disk Operating System
    I. Introduction
        A. DOS updates vs versions
        B. DOS version descriptions
        C. Directories and subdirectories
      II. DOS Managers
          A. Input/Output
          B. Memory
          C. File
        III. Basic DOS Commands
            A. Internal
            B. External
              1. xx.COM
              2. xx.EXE
              3. xx.BAT
          IV. Output redirection and pipes
            V. DOS shell
                A. Start programs screen
                B. Switch to Command prompt
                C. File system
                D. Naming files in DOS
                E. Working with a text file
                  1. Create
                  2. Display
                  3. Print
                F. Manipulating directories and files
              VI. EDLIN editor
                VII. Special files
                    A. AUTOEXEC.BAT
                    B. CONFIG.SYS
                  VIII. File Manager
                      A. Functions
                        1. Maintain File Directories (FD)
                        2. Maintain File Allocation Tables (FAT)
                        3. Open/Close files
                        4. Change files
                        5. Log bad sectors
                      B. File Directory (FD)
                        1. Entry in FD for each disk file
                        2. FD entry
                          a. File name
                          b. Name extension
                          c. File attributes
                          d. Time file created/modified
                          e. Date file created/modified
                          f. Starting cluster address
                          g. File size
                      C. File Allocation Table (FAT)
                        1. Listed twice in track O
                        2. Records medium type used to store file
                        3. Start address of second file cluster
                    IX. Installing DOS on a floppy disk
                      X. Installing DOS on hard disk
                          A. Low level format with utility
                          B. FDISK
                          C. Format under DOS
                          D. Copy DOS to hard disk
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