h1x

> The command line interface for Sapling called `sl` [...]

This is a really unfortunate choice of the binary name - it collides with a classic UNIX utility. I use it everyday and it would be very annoying for the program to do something unexpected.

Edit: apt install sl

From the profile info:

Patrick Wyatt - game developer and programmer (Warcraft, Starcraft, Diablo, Guild Wars, battle.net) - co-founder of ArenaNet - blogger: www.codeofhonor.com

Edit: remove backticks