https://www.owfs.org/index_php_page_directory-locking.html
owfs Development Site - Directory locking
development siteowfsdirectorylocking
https://www.mail-archive.com/search?l=owfs-developers@lists.sourceforge.net&q=subject:%22Re%5C%3A+%5C%5BOwfs%5C-developers%5C%5D+New+faulty+DS18B20%22&o=newest&f=1
subject:"Re\: \[Owfs\-developers\] New faulty DS18B20"
subjectowfsdevelopersnew
https://www.mail-archive.com/search?l=owfs-developers@lists.sourceforge.net&q=subject:%22Re%5C%3A+%5C%5BOwfs%5C-developers%5C%5D+Writing+to+DS2413+Device+with+Python+3%22&o=newest&f=1
subject:"Re\: \[Owfs\-developers\] Writing to DS2413 Device with Python 3"
subjectowfsdeveloperswriting