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Shell Scripting
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Assign variables with foo=bar syntax
STDIN, STDOUT, and STDERR
Shell define strings differently with single and double quotation marks
Globbing with wildcards and curly braces
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Shell Tools
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TLDR pages can be more useful than man
find, fd, rg are all useful tools for finding files or directories
History based suggestions and fuzzy finder are great QOL additions to your work space
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Command-line Environment
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SIGINIT, SIGQUIT, and SIGTERM signals control processes.
Shells are configured by dotfiles.
Use symlinks for synchronization and portability.
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Assignment
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FIXME: more reference material.