Konstantin Olchanski <[log in to unmask]> writes: > For interactive use, most people switched from /bin/sh to /bin/tcsh back > in the mid-1990-ies. (Bash, ksh, zsh came out much later). Just because I was curious, first releases as claimed on Wikipedia: Sh: 1977 Csh: 1978 Tcsh: 1981 (file-completion feature merge with csh) Ksh: 1983 Bash: 1989 Zsh: 1990 Fish: 2005 -Brett.