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# bottom
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[](https://travis-ci.com/ClementTsang/bottom) [](https://crates.io/crates/bottom)
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A top clone, written in Rust. Inspired by both [gtop ](https://github.com/aksakalli/gtop ) and [gotop ](https://github.com/cjbassi/gotop )
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_Note that the background you see is not part of the app, that's just because I use a slightly transparent terminal._
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## Installation
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### Linux
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You can install by cloning and using `cargo build --release` , or download the pre-compiled binary in Releases. Note this needs the nightly toolchain if you are building.
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### Windows
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You can currently install by cloning and building yourself. Note this needs the nightly toolchain if you are building.
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### MacOS
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Currently, I'm unable to really dev or test on MacOS, so I'm not sure how well this will work, if at all. I'll try to source MacOS hardware to test this application.
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## Usage
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### Command line options
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- `-h` , `--help` to show the help screen and exit (basically has all of the below CLI option info).
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- `-a` , `--avgcpu` enables showing the average CPU usage on rustop.
- `-m` , `--dot-marker` uses a dot marker instead of the default braille marker. This is useful for things like Powershell which display braille markers incorrectly.
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- `-c` , `--celsius` displays the temperature type in Celsius. This is the default.
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- `-f` , `--fahrenheit` displays the temperature type in Fahrenheit. This is the default.
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- `-k` , `--kelvin` displays the temperature type in Kelvin. This is the default.
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- `-v` , `--version` displays the version number and exits.
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- `-r <RATE>` , `--rate <RATE>` will set the refresh rate in _milliseconds_ . Pick a range from 250ms to `UINT_MAX` . Defaults to 1000ms, and higher values may take more resources due to more frequent polling of data, and may be less accurate in some circumstances.
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### Keybinds
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#### General
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- `q` , `Ctrl-c` to quit.
- `Ctrl-r` to reset the screen and reset all collected data.
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- `f` to freeze the screen from updating with new data. Press `f` again to unfreeze. Note that monitoring will still continue in the background.
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- `Up/k` , `Down/j` , `Left/h` , `Right/l` to navigate between panels.
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- `Shift+Up` and `Shift+Down` scrolls through the list if the panel is a table (Temperature, Disks, Processes).
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- `Esc` to close a dialog window.
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- `?` to get a help screen explaining the controls. Note all controls except `Esc` to close the dialog will be disabled while this is open.
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#### Processes Panel
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- `dd` to kill the selected process - **I would highly recommend you to be careful using this, lest you accidentally kill the wrong process** .
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- `c` to sort by CPU usage. Sorts in descending order by default. Press again to reverse sorting order.
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- `m` to sort by memory usage. Sorts in descending order by default. Press again to reverse sorting order.
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- `p` to sort by PID. Sorts in ascending order by default. Press again to reverse sorting order.
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- `n` to sort by process name. Sorts in ascending order by default. Press again to reverse sorting order.
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### Mouse Actions
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[* Scrolling either scrolls through the list if the panel is a table (Temperature, Disks, Processes), or zooms in and out if it is a chart.]: < >
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- Scrolling currently only scrolls through the list if you are on the Processes panel. This will change in the future.
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## Thanks
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- As mentioned, this project is very much inspired by both [gotop ](https://github.com/cjbassi/gotop ) and [gtop ](https://github.com/aksakalli/gtop ) .
- This application was written with the following libraries:
- [chrono ](https://github.com/chronotope/chrono )
- [clap ](https://github.com/clap-rs/clap )
- [crossterm ](https://github.com/TimonPost/crossterm )
- [failure ](https://github.com/rust-lang-nursery/failure )
- [fern ](https://github.com/daboross/fern )
- [futures-rs ](https://github.com/rust-lang-nursery/futures-rs )
- [futures-timer ](https://github.com/rustasync/futures-timer )
- [heim ](https://github.com/heim-rs/heim )
- [log ](https://github.com/rust-lang-nursery/log )
- [sysinfo ](https://github.com/GuillaumeGomez/sysinfo )
- [tokio ](https://github.com/tokio-rs/tokio )
- [tui-rs ](https://github.com/fdehau/tui-rs ) (note I used a fork due to some issues I faced, you can find that [here ](https://github.com/ClementTsang/tui-rs ))
- [winapi ](https://github.com/retep998/winapi-rs )
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## Why
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I was looking to try writing more things in Rust, and I love the gotop tool. And thus, this project was born.
