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dtach vs GNU Screen: catalog facts
dtach	GNU Screen
Free Free and open source.	Free Free and open source GNU software.
macOS, Linux, Command line	macOS, Linux, Command line
Very small and simple Keeps programs running after a terminal disconnects	Detach and reattach sessions so remote processes keep running Several shell sessions inside one terminal window
No windows, splits or scrollback like tmux or screen Infrequent development	Keyboard-driven interface takes time to learn No Windows version listed
Downloadable app	Downloadable app
Open source	Open source
License not stated	License not stated
No account needed	No account needed
Works offline	Works offline
Official website Full listing and sources Checked October 1, 2026	Official website Full listing and sources Checked September 23, 2026

Catalog facts only. Anything “not stated” is unconfirmed. Check full listings for details.