Config Files

Boot options

One use of a config file is to set boot flags to execute without having to state them when launching the program.

This is set under the [flags] section.
These options are generally the same as the long names as other flags (ex: case_sensitive = true).
Note that if a flag and an option conflict, the flag has higher precedence (ex: if the -c and temperature_type = kelvin both exist, the Celsius temperature type is ultimately chosen).
For temperature type, use temperature_type = "kelvin|k|celsius|c|fahrenheit|f".
For default widgets, use default_widget = "cpu_default|memory_default|disk_default|temperature_default|network_default|process_default".

Another use is to set colours, under the [colors]. The following labels are customizable with hex colour code strings:

Table header colours (table_header_color="#ffffff").
Every CPU core colour as an array (cpu_core_colors=["#ffffff", "#000000", "#111111"]).
- bottom will look at 216 (let's be realistic here) colours at most, and in order.
- If not enough colours are provided for the number of threads on the CPU, then the rest will be automatically generated.
RAM and SWAP colours (ram_color="#ffffff", swap_color="#111111").
RX and TX colours (rx_color="#ffffff", tx_color="#111111").
Widget title colour (widget_title_color="#ffffff").
General widget border colour (border_color="#ffffff").
Current widget border colour (highlighted_border_color="#ffffff").
Text colour (text_color="#ffffff").
Label and graph colour (graph_color="#ffffff").
Cursor colour (cursor_color="#ffffff").
Current selected scroll entry colour (scroll_entry_text_color="#282828", scroll_entry_bg_color="#458588").

Note some colours may not be compatible with the terminal you are using. For example, macOS's default Terminal does not play nice with many colours.

bottom will check specific locations by default for a config file.

For Unix-based systems: $HOME/.config/bottom/bottom.toml.
For Windows: {FOLDERID_RoamingAppData}\bottom\bottom.toml (for example, C:\Users\Clement\AppData\Roaming\bottom\bottom.toml).