Btm

btm Plugin

A cross-platform graphical process/system monitor — a customizable TUI alternative to htop/top.

Commands

System Monitoring

• btm system monitor — Launch the bottom system monitor TUI
• btm system basic — Launch with basic mode (CPU, memory, disk, network only)
• btm system battery — Launch showing battery widget

Utility

• btm self version — Print btm version
• btm _ _ — Passthrough to btm CLI

Usage Examples

• "Show me the system monitor"
• "Monitor CPU and memory usage"
• "Check what processes are running"
• "View disk I/O in real time"

Installation

brew install bottom

Or via Cargo:

cargo install bottom

Examples

# Launch bottom TUI
btm system monitor

# Basic mode (CPU, memory, disk, network)
btm system basic

# With specific color scheme
btm system monitor --color nord

# With tree view for processes
btm system monitor --tree

# Show process commands
btm system monitor --process_command

# Set custom refresh rate (500ms)
btm system monitor --rate 500

# Passthrough any btm option
btm _ _ --help
btm _ _ --color gruvbox --tree --rate 2000

Key Features

• CPU monitoring — Per-core usage with graphs
• Memory monitoring — RAM and swap usage
• Disk I/O — Read/write speeds per device
• Network monitoring — Upload/download speeds
• Process management — Tree view, filtering, killing
• GPU monitoring — NVIDIA GPU support
• Temperature — Sensor readings
• Theming — Nord, gruvbox, dracula, catppuccin, custom themes
• Mouse support — Click to navigate, resize widgets
• Custom layouts — Rearrange widgets interactively

Keybindings (inside TUI)

• ? — Help
• q / Esc — Quit
• Tab — Cycle focus
• 1-9 — Switch widget groups
• / — Search processes
• k — Kill process
• t — Toggle tree view
• + / - — Zoom in/out time scale
• Up / Down — Scroll

Notes

• Requires a terminal emulator with color support
• Supports NVIDIA GPU monitoring via nvidia-smi
• Configuration file at ~/.config/bottom/bottom.toml
• Custom theming via TOML files

Resources

• GitHub: https://github.com/ClementTsang/bottom