grep es tu amigo, como encontrar algo en un paquete
root@Darkness:/home/get# grep pkgtool /var/log/packages/* |more
/var/log/packages/dialog-1.1_20080819-i486-2:dialog: package management script "pkgtool" uses this, as do various other
/var/log/packages/pkgtools-12.34567890-noarch-6:PACKAGE NAME: pkgtools-12.34567890-noarch-6
/var/log/packages/pkgtools-12.34567890-noarch-6:PACKAGE LOCATION: /var/log/mount/slackware/a/pkgtools-12.34567890-noarch-6.tgz
/var/log/packages/pkgtools-12.34567890-noarch-6:pkgtools: pkgtools (The Slackware package maintenance system)
/var/log/packages/pkgtools-12.34567890-noarch-6:pkgtools:
/var/log/packages/pkgtools-12.34567890-noarch-6:pkgtools: This package contains utilities for handling Slackware packages.
/var/log/packages/pkgtools-12.34567890-noarch-6:pkgtools: Included are the command line utilities 'installpkg', 'removepkg',
/var/log/packages/pkgtools-12.34567890-noarch-6:pkgtools: 'makepkg', 'explodepkg', and 'upgradepkg' that install, remove,
/var/log/packages/pkgtools-12.34567890-noarch-6:pkgtools: build, examine, and upgrade software packages. Also included are
/var/log/packages/pkgtools-12.34567890-noarch-6:pkgtools: 'pkgtool', a menu based program for installing packages, removing
/var/log/packages/pkgtools-12.34567890-noarch-6:pkgtools: packages, or viewing the packages that are installed on the system,
/var/log/packages/pkgtools-12.34567890-noarch-6:pkgtools: documentation (man pages), and a few other system admin scripts.
/var/log/packages/pkgtools-12.34567890-noarch-6:pkgtools:
/var/log/packages/pkgtools-12.34567890-noarch-6:pkgtools:
/var/log/packages/pkgtools-12.34567890-noarch-6:usr/man/man8/pkgtool.8.gz
/var/log/packages/pkgtools-12.34567890-noarch-6:sbin/pkgtool
/var/log/packages/rpm2tgz-1.0-i486-1:rpm2tgz: "removepkg", "pkgtool", or manually with "tar").
/var/log/packages/slackpkg-2.71.2-noarch-1:slackpkg: Slackpkg DOESN'T replace pkgtool. Actually, Slackpkg uses pkgtool
/var/log/packages/zsh-4.3.6-i486-1:usr/share/zsh/4.3.6/functions/_pkgtool
root@Darkness:/home/get#