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Unit II: Lets discuss the Operating Systems! Rajeev Gupta (Mr. RAJ) 15 Years of IT & Training Experience in
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Unit II: Lets discuss the Operating Systems! Rajeev Gupta (Mr. RAJ) 15 Years of IT & Training Experience in Hardware and Networking. Training is my Passion. I am really excited about brining this information to you. I will do my best to give you a perfect place to launch an IT career and I promise it will help you tremendously in knowing how the PC works. You will be building on the foundation no matter where you go.
Operating systems Unit objectives: • Identify operating system fundamentals • Manage directories on a Windows Vista computer • Manage files on a Windows Vista computer • Control access to files and folders on a Windows Vista computer
Topic A • Topic A: Operating system fundamentals • Topic B: Directory management • Topic C: File management • Topic D: File and folder permissions
Operating systems • Set of software instructions • Control the computer • Run programs • Accept input • Display output • Examples: • Windows • Linux • Macintosh
Windows • Most installed client OS • First GUI: Windows 3.1 • Icons and menus to perform functions • Uses a mouse
Macintosh (Mac) OS • Apple’s client operating system • Uses a GUI • Current version: • Mac OS X (10.5) • Also known as Leopard • Revised more often than Windows • Applications are plentiful
Linux • Free client operating system • Based on UNIX • Latest kernel: 2.6.28.3 • How to obtain: • Download Linux for free • Buy a distribution version • Uses a GUI • Many system admin tasks done at command line
Windows client operating systems • Windows NT Workstation • Windows 95 • Windows 98 • Windows Me • Windows 2000 Professional • Three Windows XP versions • Windows XP Professional • Windows XP Home Edition • Windows XP Media Center Edition continued
Windows client OSs, continued • Six Windows Vista versions • Windows Vista Home Basic • Windows Vista Home Premium • Windows Vista Business • Windows Vista Ultimate • Windows Vista Starter • Windows Vista Enterprise • Windows 7 released in Fall 2009
Product lifecycle Mainstream support Extended support Self-help online support
Identify available support • Microsoft’s Help and Support Center • http://support.microsoft.com/gp/lifeselect
Not available in Vista Home Basic • Aero desktop GUI with Flip 3D • Windows Mobility Center and Tablet PC support • Scheduled and network-based backup • Windows Meeting Space • PC-to-PC Sync
Not available in either Home version • Multiprocessor support • Complete PC Backup and Restore • Networking Center • Remote Desktop • Domain Join • Group Policy support • Windows Fax and Scan • Encrypting File System (EFS) • Shadow Copy • P2P Meeting Place • Corporate Roaming • Offline Files and Folders
Available in Home Premium & Ultimate • Windows Media Center and Media Center Extenders • Windows DVD Maker • Windows HD Movie Maker • Windows premium games
Available only in Windows Vista Ultimate • BitLocker Drive Encryption
Available in Ultimate and Enterprise • Multi-Language User Interface (MUI) • Subsystem for UNIX-based Applications (SUA) • Single Session Virtual PC
Remote desktop Multiprocessor support Automated System Recovery Dynamic disk support Fax service IIS/Personal Web server Encrypting File System File-level access control C2 certification Domain membership Group policies IntelliMirror Remote Installation Services Roaming profiles Multilingual support 64-bit version IPSec user interface SNMP Simple TCP/IP services SAP agent Client services for NetWare Network monitor Client-side caching Administrative tools Windows XP Professional features
Windows 2000 features • Dependability: • Device driver verification • Scalable memory and processor support • Side-by-side DLLs • Windows File Protection • Windows Installer • Security: • Encrypting File System (EFS), single-user support • IPSec • Kerberos continued
Windows 2000 features • Management and deployment: • User State Migration Tool • Hardware standards support • System Preparation Tool • Remote OS Installation • Multilingual support • Group Policy support • Microsoft Management Console (MMC) • Recovery console • Safe Mode startup options • Internet Connection Sharing • Troubleshooters
Windows 2000 mobile support • Offline file and folder support • Offline viewing • Laptop power management features • Hot docking • Advanced Configuration and Power Interface (ACPI)
32-bit versus 64-bit • Refers to how the CPU processes information: • 32-bit processor processes 32 bits of data at one time • 64-bit processor processes twice that amount • 64-bit system • Hardware drivers must be 64-bit compatible • Operating system must be written as 64-bit • Microsoft’s 32-bit version referred to as x86
Windows Aero features • New UI for: • Windows Home Premium • Windows Business • Windows Enterprise • Windows Ultimate • Features: • Windows Sidebar • Translucent windows, taskbar, and Start menu • Taskbar thumbnails • Three-dimensional Windows Flip
Aero system requirements • 1 GHz 32-bit (x86) or 64-bit (x64) processor • 1 GB system memory • 128 MB graphics card • DirectX 9-compatible graphics processor that supports: • A Windows Display Driver Model (WDDM) driver • Pixel Shader 2.0 in hardware • 32 bits per pixel
Command-line help • General help: help • Command-specific help: command /?
Topic B • Topic A: Operating system fundamentals • Topic B: Directory management • Topic C: File management • Topic D: File and folder permissions
Windows default file structure • User files • System files • Fonts • Temporary files • Program files • Offline files and folders
Navigating in the Windows GUI 1. Click Start and choose All Programs, Accessories, Windows Explorer 2.Vista: In Folders pane, click arrow next to drive or folder to expand it XP/2000: In navigation pane, click + next to drive or folder to expand it 3. Select drive or subfolder in the Folders or navigation pane to view its contents in the details pane
Navigating using the command prompt • Command line • MS-DOS navigation commands • command or cmd • dir • chdir or cd
Command (cmd) command drive:path device ►/e:nnnn /p /c string /msg
Dir dir drive:path filename /p /w ► /a:attributes /o:sortorder ► /s /b /l
/a:attributes h Hidden files -h Non-hidden files s System files -s Non-system files d Directories -d Files only (not directories) a Files ready for archiving -a Files that have not changed since the last archive r Read-only files -r Non-read-only files
/o:sortorder n Alphabetical order by name -n Reverse alphabetical order by name e Alphabetical order by file extension -e Reverse alphabetical order by extension d Chronological by date and time, oldest to newest -d Chronological by date and time, newest to oldest s By size, smallest to largest -s By size, largest to smallest g Grouped directories, then files -g Grouped files, then directories