Here are steps for system administration tasks in Windows and Linux:

Windows System Administration

Installing Software

  1. Download the software installer from a trusted source.
  2. Right-click the installer file and select “Run as administrator.”
  3. Follow the on-screen instructions to complete the installation.

Managing User Accounts

  1. Open the Control Panel and go to “User Accounts.”
  2. Click on “Manage another account” to add, remove, or modify user accounts.
  3. Set appropriate permissions for each user account.

Updating the Operating System

  1. Open the Start menu and go to Settings > Update & Security.
  2. Click on “Check for updates” to see if any updates are available.
  3. Install the available updates and restart the system if prompted.

Monitoring System Performance

  1. Open the Task Manager by pressing Ctrl+Shift+Esc.
  2. Navigate to the “Performance” tab to view CPU, memory, and disk usage.
  3. If you notice any performance issues, investigate further and take appropriate actions.

Linux System Administration

Installing Software

  1. Open the terminal by pressing Ctrl+Alt+T.
  2. Use the appropriate package manager command for your distribution:
    • Ubuntu/Debian: sudo apt install package-name
    • CentOS/RHEL: sudo yum install package-name
    • Fedora: sudo dnf install package-name
  3. Enter your password when prompted and confirm the installation.

Managing User Accounts

  1. To add a new user: sudo useradd username
  2. To set a password for the user: sudo passwd username
  3. To remove a user: sudo userdel username
  4. To modify user permissions: sudo visudo and edit the sudoers file.

Updating the Operating System

  1. Open the terminal and run the following commands:
    • Ubuntu/Debian: sudo apt update followed by sudo apt upgrade
    • CentOS/RHEL: sudo yum update
    • Fedora: sudo dnf update
  2. Enter your password when prompted and confirm the update.

Monitoring System Performance

  1. Open the terminal and run the following commands:
    • View system information: sudo lshw
    • Monitor CPU and memory usage: top or htop
    • Check disk usage: df -h
  2. If you notice any performance issues, investigate further and take appropriate actions.

Remember to always back up important data before making any significant changes to your systems. Additionally, keep your knowledge up-to-date by regularly reading documentation, attending training sessions, and participating in online communities.