You may find these interesting: http://www.gnu.org/prep/standards/html_node/Command_002dLine-Interfaces.html http://www.gnu.org/prep/standards/html_node/Comman

You may find these interesting: http://www.gnu.org/prep/standards/html_node/Command_002dLine-Interfaces.html http://www.gnu.org/prep/standards/html_node/Command_002dLine... http://www.microsoft.com/technet/scriptcenter/topics/winpsh/cmdline_std.mspx http://www.microsoft.com/technet/scriptcenter/topics/winpsh/... This looks very good, but too lazy to sign up: http://portal.acm.org/citation.cfm?id=800045.801577 http://portal.acm.org/citation.cfm?id=800045.801577 Some user testing for Ubiquity seems relevant: https://wiki.mozilla.org/Labs/Ubiquity/Usability/Usability_Testing/Fall_08_1.2_Tests https://wiki.mozilla.org/Labs/Ubiquity/Usability/Usability_T...