which appears in one of the rules is there to force the files which use aquot;graphpack. haquot; to become out-of-date. The touch command is a standard UNIX command, though normally used only in makefiles. This command does not alter a file, it just anbsp;...
|Title||:||The Berkeley UNIX environment|
|Author||:||R. Nigel Horspool|
|Publisher||:||Prentice Hall - 1992|