Note: This is a software-update command and may not be available on most systems.
Format: backout dot_Q_archive_name
This unloads the previously applied software update module and removes the corresponding debug information from the debug information symbol table. dot_Q_archive_name is an archive file ending with a ".Q" suffix. For example:
backout foo.Q
The filename will be searched for using the default search path. See "default search path".