Window Managers

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http://www.nongnu.org/ratpoison/

Ratpoison

ratpoison: Say good-bye to the rodent Ratpoison is a simple Window Manager with no fat library dependencies, no fancy graphics, no window decorations, and no rodent dependence. It is largely modelled after GNU Screen which has done wonders in the virtual terminal market. The screen can be split into non-overlapping frames.

Bash

http://www.gnu.org/software/bash/ Bash is the shell, or command language interpreter, that will appear in the GNU operating system.
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