... add or remove .obj files, replace .obj files, etc. See http://docwiki.embarcadero.com/RADStudio/Berlin/en/TLIB.E XE,_the_Library_Manager touch Sets the last-modified date and time of one or more files to the current time or a specified time. See http://docwiki.embarcadero.com/RADStudio/Berlin/en/TOUCH.EXE ...