Python Mini Task Manager

A simple Python application to monitor and manage system processes, CPU, and memory usage.

Features

• List Running Processes - View currently running processes on your system
• Show CPU & Memory Usage - Monitor CPU and RAM usage in real-time
• Kill Process - Terminate a process by its PID with confirmation

Prerequisites

• Python 3.6 or higher
• pip (Python package manager)

Installation Steps

Step 1: Install Python

Make sure Python is installed on your system. Check by running:

python --version

Step 2: Install Required Package (psutil)

The project requires the psutil library. Install it using:

pip install psutil

Or with elevated privileges (if needed):

sudo pip install psutil

Step 3: Navigate to Project Directory

cd /path/to/mini_task_manager

Running the Project

Start the Application

python main.py

Menu Options

Once running, you'll see the main menu:

1. List Processes
   - Shows first 15 running processes with their PIDs

2. Show CPU & Memory
   - Displays CPU usage percentage
   - Shows total, used, and free memory
   - Visual progress bars for usage levels

3. Kill Process
   - Enter a process PID to terminate
   - Requires confirmation before killing
   
4. Exit
   - Closes the application

Example Usage

List Processes:

Enter choice (1-4): 1
PID       PROCESS NAME
...

Check System Resources:

Enter choice (1-4): 2
--- CPU Usage ---
CPU: 25% [#####               ]

--- Memory Usage ---
Total:     7.81 GB
Used:      3.45 GB (44%)
Free:      4.36 GB

Kill a Process:

Enter choice (1-4): 3
Enter PID: 1234
Kill PID 1234? (y/n): y
✓ Killed 'process_name' (PID: 1234)

Troubleshooting

"ModuleNotFoundError: No module named 'psutil'"

Solution: Install psutil

pip install psutil

"Permission denied" when killing process

Solution: Run with elevated privileges

sudo python main.py

Process not found error

Make sure you enter a valid PID. Use option 1 to list all processes first.

Files

• main.py - Main application and menu
• process.py - Process listing and killing functions
• resource.py - CPU and memory monitoring functions
• README.md - This file

Notes

• The application runs in a loop until you choose "Exit"
• Press Ctrl+C to force exit at any time
• Some processes may require admin/sudo privileges to kill