Disable process-changing actions.

Section: Startup modes

Start in read-only mode

bash
bash
htop --readonly
Explanation

Good on shared systems when you only need visibility, not renice or kill actions.

Learn the surrounding workflow

Compare similar commands or jump into common fixes when this command is part of a bigger troubleshooting path.

Related commands

Same sheet · prioritizing Startup modes
Start directly in tree view
Show process hierarchy at launch.
OpenIn sheetbashsame section
Run without color
Use a plain monochrome display.
OpenIn sheetbashsame section
Start tree view with an explicit sort key
Combine tree mode and sorting from the command line.
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Focus on a process after startup
Use PID filter for targeted monitoring of a service.
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Run inside a container shell
Inspect processes visible inside the current container namespace.
OpenIn sheetbashsame section
Install on Debian or Ubuntu
Install htop from APT repositories.