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> Many Smalltalk users would paint themselves into a corner by… ?! Most Smalltalk users were transitioning enterprise systems from green screen terminals to guis. > … no way to restart it… It's important properties were captured in the .changes log file — so workable modifications can be made again in a new image. https://eng.libretexts.org/Bookshelves/Computer_Science/Programming_Languages/Book%3A_Pharo_by_Example_5.0_(Ducasse_Zagidulin_Hess_and_Chloupis)/08%3A_Sharing_Code_and_Source_Control/8.04%3A_In_Pharo_You_Cant_Lose_Code https://eng.libretexts.org/Bookshelves/Computer_Science/Prog...