Right - POSIX is generally "advisory locking" rather than "mandatory locking," so an update process is free to overwrite any library. Windows does not allow th

Right - POSIX is generally "advisory locking" rather than "mandatory locking," so an update process is free to overwrite any library. Windows does not allow this, which is why we have Patch Tuesday outages. Also, Oracle KSplice was the first free tool to apply updates to a running Linux kernel without rebooting. KSplice is free on Ubuntu. I think other free services have become available since. https://ksplice.oracle.com/try/desktop https://ksplice.oracle.com/try/desktop