The clear command appeared in 2.79BSD on February 24, 1979. Later, in 1985, the command was also included in Unix 8th edition.3
"Shell - KolibriOS wiki". http://wiki.kolibrios.org/wiki/Shell ↩
"ISO 9995-7" (PDF). https://www.tresor.gouv.qc.ca/fileadmin/PDF/ressources_informationnelles/standard_clavier_quebecois/ISO_9995-7.pdf ↩
"Clear 1". https://invisible-island.net/ncurses/man/clear.1.html ↩