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irb

Interactive Ruby shell (REPL)

Ubuntu CentOS Debian SUSE Fedora RHEL Arch Alpine macOS
Verified: 2026-05-13
Syntax
$irb [options]
Optionen
-r
-f
--simple-prompt
Examples
$irb
$irb -r json
$irb -f
See also
ruby gem bundler
Typical use cases
?
Standard usage
irb --help
Note Great for quick Ruby experiments and API inspection.
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