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btop is a resource monitor that shows usage and stats for processor, memory, disks, network and processes. It is the third iteration of bpytop and bashtop.



root #emerge --ask sys-process/btop


To start btop, you can run

user $btop


user $btop --help
usage: btop [-h] [-v] [-/+t] [-p <id>] [--utf-force] [--debug]

optional arguments:
  -h, --help            show this help message and exit
  -v, --version         show version info and exit
  -lc, --low-color      disable truecolor, converts 24-bit colors to 256-color
  -t, --tty_on          force (ON) tty mode, max 16 colors and tty friendly graph symbols
  +t, --tty_off         force (OFF) tty mode
  -p, --preset <id>     start with preset, integer value between 0-9
  --utf-force           force start even if no UTF-8 locale was detected
  --debug               start in DEBUG mode: shows microsecond timer for information collect
                        and screen draw functions and sets loglevel to DEBUG

See also

  • htop — a cross-platform interactive process viewer. It is a text-mode application (for console or X terminals) and requires ncurses.
  • Recommended tools — lists system-administration related tools recommended for use in a shell environment (terminal/console)