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The process of preparing programs for a digital computer is especially attractive, not only because it can be economically and scientifically rewarding, but also because it can be an aesthetic experience much like composing poetry or music. |
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Useful utilities / shell idioms not everyone knows about:
lsof (for finding what process is holding that file)
watch
screen
xargs
which (for people with messy PATHs)
Using backticks in commands
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