bottom

A graphical system monitor for the terminal, with charts for CPU, memory, network, temperature and disk over time.

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About bottom

bottom, run as `btm`, shows what htop shows plus history: CPU usage per core and averaged, RAM and swap, network I/O, temperatures and disk I/O all plotted over time, with the ability to zoom the interval in and out. Widgets alongside show disk capacity, temperature sensors and battery.

The process widget handles the interactive part: sorting, searching, tree mode and sending kill signals. It is themeable, configurable through a file, and works on Linux, macOS and Windows, with the usual caveat that some metrics are only available on some platforms.

It is written in Rust and packaged in almost every package manager, including Chocolatey, Scoop, winget and an MSI for Windows.

Strengths

  • Plots CPU, memory, network, temperature and disk I/O over time, with a zoomable interval
  • Process widget with sorting, searching, tree mode and kill signals
  • Works on Linux, macOS and Windows, unlike most terminal monitors
  • Themeable and packaged almost everywhere, including an MSI for Windows

Limitations

  • Some sensors and metrics are only available on some platforms
  • Charts take terminal space; a small window gets cramped
  • Not as configurable in-session as htop; most tuning is in the config file
  • A monitor only; it does not manage or tune anything

Details

Pricing
Free · Free and open source under the MIT licence.
License
MIT
Developer
ClementTsang
Platforms
Windows, macOS, Linux, Command line
How it runs
Downloadable app
Account
Not required
Works offline
Yes
Best suited for
Watching system resources over time in a terminal, on any operating system
Categories
System monitoring
Last verified
Added
Provenance
Selected from the TechWalrus downloads catalog (System Monitor); facts checked against the developer's own pages, 3 sources on file.

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