Important: The information in this document is obsolete and should not be used for new development.
PackagesA package is a set of routines and data types that forms a part of the Toolbox or Operating System and is stored as a resource of type
'PACK'. In early models of the Macintosh computer, all packages were disk-based and brought into memory only when needed; some packages are now in ROM. The System file contains the standard Macintosh packages and the resources they use or own.
Package name Resource ID List Manager 0 Disk Initialization Manager 2 Standard File Package 3 Floating-Point Arithmetic Package 4 Transcendental Functions Package 5 Text Utilities 6 Text Utilities (formerly referred to as the Binary-Decimal Conversion Package) 7 Apple Event Manager 8 PPC Browser 9 Edition Manager 11 Color Picker 12 Data Access Manager 13 Help Manager 14 Picture Utilities 15