Locking a shared file
You can lock resources in a stream to prevent other users from delivering changes to the file in that stream. Lock shared files to prevent team members from delivering changes to the file in the stream where you locked a file.
After someone locks a resource, the initials of the contributor who locked the file are displayed under the Lock column.
About this task
Files in the workspace are displayed in a list of files, either in the z/OS UNIX Directory List panel or the Source Control panel. Enter an LK next to the file to lock and press the Enter key.