OpenBSD has used pdksh as their sh(1)/ksh(1) implementation for over 18 years. It has supported command history since the beginning.. http://www.openbsd.org/cg

OpenBSD has used pdksh as their sh(1)/ksh(1) implementation for over 18 years. It has supported command history since the beginning.. http://www.openbsd.org/cgi-bin/man.cgi/OpenBSD-current/man1/ksh.1 http://www.openbsd.org/cgi-bin/man.cgi/OpenBSD-current/man1/... http://cvsweb.openbsd.org/cgi-bin/cvsweb/src/bin/ksh/history.c http://cvsweb.openbsd.org/cgi-bin/cvsweb/src/bin/ksh/history...