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A beginner's introduction to Bash parameter expansions
At a basic level, parameter expansion means changing Bash syntax into a value—expanding it. For example: echo "$foo" This ...
rsc.io/unix holds programs for running old Unix programs on modern computers. pdp11 is a PDP-11 simulator. v6unix is a Research Unix Sixth Edition (V6) simulator. It is a port of the V6 kernel logic ...
Redstart (named after the bird) is a lightweight Lisp interpreter written in C++ with a focus on shell scripting. It lets you combine the expressive power of Lisp with the practicality of the Unix ...
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