... meeting of the American Association of Physicists in Medicine in Minneapolis, this challenge was the topic of conversation during a lunch hosted by Taylor & Francis Publishers and involving ... deletion, opening, closing, read-ing, writing, appending content, seeking data, attributes retrieval, attributes setting, and renaming.6.3.4.2 Folders/Directoriese number of les in a modern ... activate any of the other group members, including indenite waiting. In the early 1970s, Coman et al. (1971) determined four conditions that must be occurring in order to cause a deadlock situation:...