Tom Duff, "Rc - A Shell for Plan 9 and UNIX systems", Proc. of the Summer 1990 UKUUG Conf., London, July, 1990, pp. 21-33  Home/Search   Document Not in Database   Summary   Related Articles   Check

....in dev. Primarily for reasons of history and familiarity, the general model and appearance of 8 1 2 are similar to those of mux [Pike88] The right button has a short menu for controlling window creation, destruction, and placement. When a window is created, it runs the default shell, rc [Duff90], with standard input and output directed to the window and accessible through the file dev cons ( console ) analogous to the dev tty of UNIX. The name change represents a break with the past: Plan 9 does not provide a Teletype style model of terminals. 8 1 2 provides the only way most ....

Tom Duff, "Rc - A Shell for Plan 9 and UNIX systems", Proc. of the Summer 1990 UKUUG Conf., London, July, 1990, pp. 21-33

....both a programming language and the core of an interactive environment. The ancestor of most current shells is the 7th Edition Bourne shell[2] which is characterized by simple semantics, a minimal set of interactive features, and syntax that is all too reminiscent of Algol. One recent shell, rc[3], substituted a cleaner syntax but kept most of the Bourne shell s attributes. However, most recent developments in shells (e.g. csh, ksh, zsh) have focused on improving the interactive environment without changing the structure of the underlying language shells have proven to be resistant to ....

Tom Duff, "Rc -- A Shell for Plan 9 and Unix Systems," in UKUUG Conference Proceedings, pp. 21-33, Summer 1990.

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