`htop` allows scrolling the list of processes vertically and horizontally to see their full command lines and related information like memory and CPU consumption.
The information displayed is configurable through a graphical setup and can be sorted and filtered interactively.
Tasks related to processes (e.g. killing and renicing) can be done without entering their PIDs.
Running `htop` requires `ncurses` libraries (typically named libncursesw*).
For more information and details on how to contribute to `htop` visit [htop.dev](https://htop.dev).
Compiling `htop` requires the header files for `ncurses` (libncursesw*-dev). Install these and other required packages for C development from your package manager.
Then, when compiling from a [release tarball](https://bintray.com/htop/source/htop), run:
Alternatively, for compiling sources downloaded from the Git repository (`git clone` or downloads from [Github releases](https://github.com/htop-dev/htop/releases/)),
install the header files for `ncurses` (libncursesw*-dev) and other required development packages from your distribution's package manager. Then run:
See the manual page (`man htop`) or the on-line help ('F1' or 'h' inside `htop`) for a list of supported key commands.
## Support
If you have trouble running `htop` please consult your Operating System / Linux distribution documentation for getting support and filing bugs.
## Bugs, development feedback
We have a [development mailing list](https://htop.dev/mailinglist.html). Feel free to subscribe for release announcements or asking questions on the development of htop.
If you have found an issue with the source of htop, please check whether this has already been reported in our [Github issue tracker](https://github.com/htop-dev/htop/issues).
If not, please file a new issue describing the problem you have found, the location in the source code you are referring to and a possible fix.
`htop` was invented, developed and maintained by Hisham Muhammad from 2004 to 2019. His [legacy repository](https://github.com/hishamhm/htop/) has been archived to preserve the history.