btop

btop is a resource monitor that shows usage and stats for processor, memory, disks, network and processes.

• Project Homepage [EN]
  • Repository

• btop [EN] @ Fedora Package
• btop [EN] @ Homebrew Formula

Documentation

• man 1 'btop'

Further Information

• Btop++: Linux System Monitoring Tool That is Definitely Better than Top (22.06.2025) [EN] @ It's FOSS

Syntax

btop [PARAMETER ...] [FILE ...]

Parameters

-f FILTER, --filter FILTER

Set an initial process FILTER.

--force-utf

Force start even if no UTF-8 locale was detected.

-l, --low-color

Disable true color, 256 colors only.

-p ID, --preset ID

Start with a preset (0-9).

-t, --tty-on

Force tty mode with ANSI graph symbols and 16 colors only.

--tty-off

Force disable tty mode.

-u RATE, --update RATE

Set an initial update RATE in milliseconds.

Examples

Set alias to replace top

vi "${HOME}/.profile"

if type -P 'btop' >'/dev/null' 2>&1; then
  alias top='btop --force-utf'
fi