htop
Interactive process viewer with color display, tree view, and mouse support.
Synopsis
htop [OPTION]...
Examples
htop
htop -t
htop -u nginx
htop -p 1234
Common options
| Flag | Description |
|---|---|
| -d | Update delay in tenths of seconds |
| -u | Show only processes for user |
| -p | Monitor specific PIDs |
| -t | Start in tree view mode |
| -C | Monochrome mode |
About htop
The `htop` command interactive process viewer with color display, tree view, and mouse support. Process management commands let you monitor, control, and schedule running processes.
Linux is a multitasking operating system, and understanding how to list processes, send signals, adjust priorities, and manage background jobs is vital for system administration and debugging performance issues. The command accepts 5 commonly used flags shown above, though the full set of options is available in the man page (`man htop`).
The 4 examples on this page cover typical real-world usage patterns that you can copy and adapt for your own workflows.
Related commands
More Process Management Commands
Other commands in the Process Management category