This document discusses managing and supporting users in a Windows operating system. It covers setting up user accounts, including global, local, and profile types. It also describes the built-in user groups like Administrator and Limited User. Administrators can use Group Policy to apply computer and user policies. Other features covered include disk quotas, encrypted file system, compression, firewall, and internet connection sharing. The document also discusses Windows registry subkeys and hives for storing user and system configuration information. It provides examples of utilities for backup/restore, boot configuration, disk checking, file conversion, and more. Common acronyms described include BSOD, EFS, and ICF.

1. Computer Architecture:
OS Technologies
Chapter 8
Managing & Supporting Users
Eric Vanderburg
Eric Vanderburg – OS Technologies © 2005

2. User Accounts
• Global account
• Local account
• Profiles
– Roaming
– Mandatory
• Usernames up to 15 characters
• Passwords up to 127 characters
Eric Vanderburg – OS Technologies © 2005

3. Built-in Groups
• Administrator
• Backup Operator
• Power User – install apps
• Limited User – only access to their
data folders, no install privileges
• Guest – limited access to files, no
saving of profile
Eric Vanderburg – OS Technologies © 2005

4. Group Policy
• Gpedit.msc
• Local Policy on one machine
• Computer policies
• User policies
Eric Vanderburg – OS Technologies © 2005

5. Other Features
• Disk Quotas
• EFS (Encrypted File System)
– Folder turns green
– Cipher /e (encrypt) /d (decrypt) /s
(subfolders) path
• Compression
– Folder turns blue
– Compact /c /u /s
• ICF (Internet Connection Firewall)
• ICS (Internet Connection Sharing)
– NAT & DHCP
Eric Vanderburg – OS Technologies © 2005

6. Registry Subkeys
• What is seen when looking at the registry
in software
• HKEY_CURRENT_USER
• HKEY_CLASSES_ROOT
– Software configuration
– Windows API, .NET
• HKEY_CURRENT_CONFIG
– Hardware configuration from SOFTWARE &
SYSTEM in LOCAL_MACHINE
– Hardware profiles
• HKEY_USERS
– Info on all users
• HKEY_LOCAL_MACHINE
Eric Vanderburg – OS Technologies © 2005
– Drivers
– Startup devices

7. Registry Hives
• Files stored on disk %systemroot
%system32config
• SAM
• Security
• Software
• System
• Default
Eric Vanderburg – OS Technologies © 2005

8. Utilities
• ASR (Automated System Recovery) –
works with recent backups to restore the
system. Drive is formatted and any data
not backed up is lost (use win setup)
• Bootcfg – edit boot.ini file
• Chkdsk
• Convert – FAT16  FAT32
• Defrag.exe or dfrg.msc
• Sigverif – driver signing
• Expand – decompress a cab file
• Runas.exe – executes an app with different
permissions
Eric Vanderburg – OS Technologies © 2005

9. Acronyms
• BSOD, Blue Screen of Death
• EFS, Encrypted File System
• ICF, Internet Connection Firewall
Eric Vanderburg – OS Technologies © 2005

10. Acronyms
• BSOD, Blue Screen of Death
• EFS, Encrypted File System
• ICF, Internet Connection Firewall
Eric Vanderburg – OS Technologies © 2005