https://www.reddit.com/r/programming/comments/4ps0al/linux_lockfile_explained_how_to_use_them_the_easy/ https://www.reddit.com/r/programming/comments/4ps0al/lin

https://www.reddit.com/r/programming/comments/4ps0al/linux_lockfile_explained_how_to_use_them_the_easy/ https://www.reddit.com/r/programming/comments/4ps0al/linux_l...