A user with CMEXEC privilege may use the SET WATCH FILE command to monitor selected file activity. This command supports and requires one qualifier; that is /CLASS. This qualifier requires a keyword value identifying which class of activity to enable or disable. Placing NO in front of the keyword disable the specified activity monitoring.
File Activity Classes ALL Enable all file activity monitoring.
| ATTACHED | Undetermined |
| ATTRIBUTE | Reading and writing of file attributes; such as done with the directory command. |
| CONTROL_FUNCTION | Use of file system control functions. |
| DIRECTORY_OPERATIONS | Modifications to directories by creating, deleting and renaming files. |
| DUMP | Dump contents of File Information Blocks (FIB). |
| MAJOR_FUNCTIONS | Log activities for major functions including file lookup, access and deaccess. |
| NONE | Turn off all file activity monitoring. |
| QUOTA_OPERATIONS | Activity associated with changes to disk quotas and usage. |
The SET WATCH command has it's history based in the days of TOPS-10.
$ set watch file/class=(all,nodump)
%XQP, Thread #0, Deaccess (930,5,0) Reads: 6, Writes: 0, Status: 00000001
$ directory /size=all /date /width=file=40 login.com;
