File locking
Advisory locking is used on configuration files. Locking prevents multiple users from editing the same file simultaneously. File locks are enabled when a configuration file is opened for editing within the IDE. No file locks are enabled from the command line.
A single lock file is created in the HCISITEDIR lock directory for each configuration file that is opened. This file contains information about the user, the process, and the time the file was locked.
If a user attempts to edit a locked file, then a dialog box opens with two options. You can override the lock or load the file in read-only mode.