AIX:
# lslpp -l | grep vac
 
HP-UX:
# swlist -l product | grep ++
or
# swlist -l bundle | grep aCC
 
Solaris:
# pkginfo | grep SUNWspro
 
Linux:
# rpm -qa | grep perl
REF:
NAME
       rpm - RPM Package Manager
SYNOPSIS
   QUERYING AND VERIFYING PACKAGES:
       rpm {-q|--query} [select-options] [query-options]
select-options
        [PACKAGE_NAME] [-a,--all] [-f,--file FILE]
        [-g,--group GROUP] [-p,--package PACKAGE_FILE]
        [-P,--patches]
        [--fileid MD5] [--hdrid SHA1] [--pkgid MD5] [--tid TID]
        [--querybynumber HDRNUM] [--triggeredby PACKAGE_NAME]
        [--whatprovides CAPABILITY] [--whatrequires CAPABILITY
10-18 07:39