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GNU Screen vs dtach: catalog facts
GNU Screen	dtach
Free Free and open source GNU software.	Free Free and open source.
macOS, Linux, Command line	macOS, Linux, Command line
Detach and reattach sessions so remote processes keep running Several shell sessions inside one terminal window	Very small and simple Keeps programs running after a terminal disconnects
Keyboard-driven interface takes time to learn No Windows version listed	No windows, splits or scrollback like tmux or screen Infrequent development
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 September 23, 2026	Official website Full listing and sources Checked October 1, 2026

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