How to Install and Use htop

htop is an interactive process viewer — a better alternative to top.

Install

apt install htop -y

Usage

htop

Key Controls

• F2 — Setup/configure
• F3 — Search processes
• F4 — Filter processes
• F5 — Tree view
• F6 — Sort by column
• F9 — Kill process
• F10 — Quit

Understanding the Display

• Top bars: CPU and memory usage per core
• Process list: PID, user, CPU%, MEM%, command
• Bottom: shortcuts and totals