You can create a file using the AIX touch command. The touch command is used to update a file's timestamp, but if the file doesn't exist, then the touch command creates it. That's an easy way of creating a lock file - the sort of file you use to alert the world that they can't log in because some process is running - or a trigger or flag file whose existence is a signal to some script or program to begin the next process.   Trigger Happy   The problem with creating an empty lock/flag/trigger file is that no one knows where it came from. You may... [More]

Tags:  touch lock_file timestamp flag_file trigger_file