What is free software? List three characteristics of free software.
What will be an ideal response?
“Free software” is a matter of liberty, not price. To understand the concept,
you should think of “free” as in “free speech,” not as in “free beer.”
—Richard Stallman
a. The freedom to run the program for any purpose (freedom 0).
b. The freedom to study how the program works and to adapt it to your
needs (freedom 1). Access to the source code is a precondition for this
freedom.
c. The freedom to redistribute copies so you can help your neighbor (free-
dom 2).
d. The freedom to improve the program and to release your improvements
to the public so that the entire community benefits (freedom 3). Access
to the source code is a precondition for this freedom.
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Fill in the blank(s) with the appropriate word(s).
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