This page lists providers providing free shell accounts for educational purposes. This page does not list all free shell hosting providers, instead, it lists only those quality ones that provide free shell hosting for the long term.
- http://sdf-eu.org or http://freeshell.org
This non-profit organization, The Super Dimension Fortress (SDF) has been providing a stable, free shell hosting service to the public since 1987.
Claims to be the oldest free shell hosting provider in the world, backed by Nyx Net, a non-profit corporation.
With servers running OpenBSD, Grex has been in service since 1991.