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Operating Systems I. Managing Your System. Primary Learning Objective. Execute Routine System Management. Specific Learning Objectives. Identify and define the terms associated with system management Identify critical system files used by operating systems

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operating systems i

Operating Systems I

Managing Your System

primary learning objective
Primary Learning Objective

Execute Routine System Management

specific learning objectives
Specific Learning Objectives
  • Identify and define the terms associated with system management
  • Identify critical system files used by operating systems
  • Add/remove software and Windows components
  • Install a Printer
  • Use Task Manager to end unresponsive programs and view CPU/memory usage
specific learning objectives1
Specific Learning Objectives
  • Use Windows Internet Update Feature and Device Manager
  • Restore your computer
  • Modify system variables such as date and time
  • Use CLI commands such as SET, DATE, TIME, VER, and MEM
critical system files
Critical System Files
  • As OS’s have evolved, so has the way they store configuration information. The older, smaller files are still important because they are used for bootable and network connection disks.
  • The three following files are the minimum required to make a bootable (startup) disk:
    • COMMAND.COM
    • IO.SYS
    • MSDOS.SYS
critical system files1
Critical System Files
  • After a DOS computer boots up, it reads the CONFIG.SYS, a configuration file, and executes any commands in it.
  • Next the AUTOEXEC.BAT (automatically executed batch) file runs.
  • Windows 3.x used initialization files (.INI) for software settings. WIN.INI and SYSTEM.INI are two that are still important in network connection disks.
the registry
The Registry
  • The .INI files were replaced by the registry in Windows 95.
  • The Registry is a database used by the Windows operating system to store configuration information.
  • Stores all settings for: Users, Hardware, Programs, and Folders
  • Software and hardware installations affect the registry
adding software
Adding Software
  • Read the instructions and/or Readme files
  • Three options exist for adding software:
    • Newer programs come on CD-ROMs. If it has an auto-run feature, the installation program will start automatically.
    • Start > Control Panel > Add or Remove Programs > click the Add New Programs button then click the CD or Floppy button. If it can find the SETUP or INSTALL program it will run it.
    • Open the disk /folder and double-click any files called SETUP or similarly named files.
removing software
Removing Software
  • The preferred method is to use Add or Remove Programs since it removes all traces of the program even in the Registry.
  • Another option is to see if the program has its own uninstall program and run it.
  • The worst option is to delete the files and folder where the program is located
adding removing windows components
Adding/Removing Windows Components
  • In Add or Remove Programs click Add/ Remove Windows Component button
  • Check the category that contains the component you need to add.
  • Clicking the DETAILS button show a list of individual components in that category.
installing a printer
Installing a Printer
  • Local printer – one connected to the computer’s parallel port
  • Network printer – one connected directly to the network or to a print server
  • Having the correct printer driver is very important for a successful installation.
    • Generally older printer drivers are easily found on the OS CD-ROM
    • New printers with older OS’s can cause problems
using task manager
Using Task Manager
  • Use Task Manager to close an application that occasionally freezes or stops responding.
  • Use <Ctrl> + <Alt> + <Delete> or right-click on the taskbar and select Task Manager.
  • If using Task Manager fails, turn the computer off and restart it.
  • It shows a list of open applications, what processes are running, and CPU/memory usage.
using device manager
Using Device Manager
  • Device Manager is used to document system setting, verify the installation of a hardware device, check for hardware conflicts, troubleshoot hardware problems, and change the configuration of a hardware device.
  • To view: right-click My Computer, Properties, Hardware Tab, and Device Manager button.
  • A red X through an device icon indicates that the device is disabled.
windows internet update
Windows Internet Update
  • A feature used to find and install product enhancements and updated system files, device drivers, and service packs.
  • Requires a Internet connection.
  • Click the Start button and select All Programs Windows Update.
  • Click Scan for updates to view the available updates for your computer.
system restore
System Restore
  • Use theutility to return your computer configuration to a time before the problems occurred.
  • A restore point is a snapshot of your computer at an earlier time.
  • StartAll ProgramsAccessoriesSystem ToolsSystem Restore
  • Select Restore my computer to an earlier time option
demonstrations
Demonstrations
  • Use GUI to modify Date and Time
  • Use CLI commands such as SET, DATE, TIME, VER, and MEM
summary
Summary
  • Critical System Files
  • Add/Remove Software
  • Add/Remove Windows Components
  • Install a Local Printer
  • Task Manager
  • Device Manager
  • Windows Internet Update feature
  • System Restore
slide29

Homework Assignment

  • Reading
    • XP Textbook – pp 116-117, pp 150-170
    • CLI Textbook - pp 29-33, pp 84-87
  • Lab Exercise 10: Perform System Management
  • Homework 6: System Management
  • Due Date: A Week from Next Tuesday