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Manual page for BOM(5)

bom - Bill of materials

DESCRIPTION

BuildDisk, Installer, and the software provided for upgrading to a new release of NEXTSTEP all use a file system ``bill of materials'' to determine which files to install, remove, or upgrade. A bill of materials (BOM) is similar to the output of ``ls -lR''; it lists all the files that a directory contains, along with some information about each file: the file's UNIX permissions, its owner and group, its size, its time of last modification, and so on. Also included are a checksum for each file and information about hard links.

A BOM file (named with the suffix ``.bom'') stores the bill of materials for a single directory in a binary format. Since NEXTSTEP includes a number of optional packages which may or may not be installed on a particular computer, more than one BOM file may be needed to characterize a given NEXTSTEP installation.

The bill of materials for a minimal NEXTSTEP system is stored in /usr/lib/NextStep/BaseSystem.bom. BOMs for optional packages are found within the package receipts located in /NextLibrary/Receipts. For example, the bill of materials for the NEXTSTEP Documentation package is located in /NextLibrary/Receipts/Documentation.pkg/Documentation.bom.

FILES

/usr/lib/NextStep/BaseSystem.bom - BOM for the non-optional parts of NEXTSTEP

/NextLibrary/Receipts/*.pkg/*.bom - BOMs for other installed packages

SEE ALSO

mkbom(8), lsbom(8), showmods(8)

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