Here are some essential Command Prompt (CMD) commands for performing system operations in Windows:

### **1. **System Information**

- **`systeminfo`**: Displays detailed configuration information about the computer and its operating system.

  - **Example:** `systeminfo`

- **`hostname`**: Shows the name of the computer.

  - **Example:** `hostname`

- **`ver`**: Displays the Windows version.

  - **Example:** `ver`

### **2. **System and Disk Management**

- **`chkdsk`**: Checks the file system and disk for errors.

  - **Example:** `chkdsk C:`

- **`chkdsk /f`**: Checks and fixes errors on the disk.

  - **Example:** `chkdsk C: /f`

- **`diskpart`**: Opens the Disk Partition tool for managing disk partitions.

  - **Example:** `diskpart`

- **`sfc /scannow`**: Scans and repairs protected system files.

  - **Example:** `sfc /scannow`

### **3. **System Services**

- **`net start [service]`**: Starts a specified service.

  - **Example:** `net start wuauserv` (starts the Windows Update service)

- **`net stop [service]`**: Stops a specified service.

  - **Example:** `net stop wuauserv` (stops the Windows Update service)

- **`sc query [service]`**: Displays the status of a specified service.

  - **Example:** `sc query wuauserv`

### **4. **System Configuration**

- **`msconfig`**: Opens the System Configuration tool to manage startup options and services.

  - **Example:** `msconfig`

- **`control`**: Opens the Control Panel.

  - **Example:** `control`

### **5. **User and Account Management**

- **`net user`**: Displays a list of user accounts.

  - **Example:** `net user`

- **`net user [username] [password] /add`**: Adds a new user account.

  - **Example:** `net user newuser password /add`

- **`net user [username] /delete`**: Deletes a user account.

  - **Example:** `net user olduser /delete`

### **6. **Shutdown and Restart**

- **`shutdown /s /f /t [seconds]`**: Shuts down the computer after a specified number of seconds.

  - **Example:** `shutdown /s /f /t 60`

- **`shutdown /r /f /t [seconds]`**: Restarts the computer after a specified number of seconds.

  - **Example:** `shutdown /r /f /t 60`

- **`shutdown /a`**: Cancels a shutdown or restart that is in progress.

  - **Example:** `shutdown /a`

### **7. **Power Management**

- **`powercfg`**: Configures power settings and provides information about power status.

  - **Example:** `powercfg /a` (lists available sleep states)

- **`powercfg /batteryreport`**: Generates a battery report (laptop/portable devices).

  - **Example:** `powercfg /batteryreport`

These commands assist in managing and configuring system operations, troubleshooting, and performing maintenance tasks from the Command Prompt.