sebastian@linux-l7j9:~> netbeans
If 'netbeans' is not a typo you can use command-not-found to lookup the package that contains it, like this:
cnf netbeans
sebastian@linux-l7j9:~> find /usr -iname "netbean*" -print
/usr/share/netbeans
/usr/share/susehelp/meta/Development/Tools/netbeans.desktop
/usr/share/vim/vim73/doc/netbeans.txt
/usr/share/java/netbeans-javaparser-impl.jar
/usr/share/java/netbeans-javaparser-api.jar
/usr/share/java/netbeans-javaparser-api-6.8.jar
/usr/share/java/netbeans-javaparser-impl-6.8.jar
/usr/share/javadoc/netbeans-platform11
/usr/share/javadoc/netbeans-platform11/org-netbeans-spi-quicksearch/netbeans.css
/usr/share/javadoc/netbeans-platform11/org-netbeans-spi-quicksearch/org/netbeans
/usr/share/javadoc/netbeans-platform11/org-netbeans-spi-quicksearch/netbeans-lite.css
/usr/share/javadoc/netbeans-platform11/org-netbeans-modules-sendopts/netbeans.css
/usr/share/javadoc/netbeans-platform11/org-netbeans-modules-sendopts/org/netbeans
/usr/share/javadoc/netbeans-platform11/org-netbeans-modules-sendopts/netbeans-lite.css
/usr/share/javadoc/netbeans-platform11/org-openide-actions/netbeans.css
/usr/share/javadoc/netbeans-platform11/org-openide-actions/netbeans-lite.css
/usr/share/javadoc/netbeans-platform11/org-netbeans-modules-javahelp/netbeans.css
/usr/share/javadoc/netbeans-platform11/org-netbeans-modules-javahelp/org/netbeans
/usr/share/javadoc/netbeans-platform11/org-netbeans-modules-javahelp/netbeans-lite.css
/usr/share/javadoc/netbeans-platform11/netbeans.css
/usr/share/javadoc/netbeans-platform11/org-openide-awt/netbeans.css
/usr/share/javadoc/netbeans-platform11/org-openide-awt/org/netbeans
/usr/share/javadoc/netbeans-platform11/org-openide-awt/netbeans-lite.css
/usr/share/javadoc/netbeans-platform11/org-openide-loaders/netbeans.css
/usr/share/javadoc/netbeans-platform11/org-openide-loaders/netbeans-lite.css
/usr/share/javadoc/netbeans-platform11/org-netbeans-api-visual/netbeans.css
/usr/share/javadoc/netbeans-platform11/org-netbeans-api-visual/org/netbeans
/usr/share/javadoc/netbeans-platform11/org-netbeans-api-visual/netbeans-lite.css
/usr/share/javadoc/netbeans-platform11/org-openide-util/netbeans.css
/usr/share/javadoc/netbeans-platform11/org-openide-util/netbeans-lite.css
/usr/share/javadoc/netbeans-platform11/org-openide-explorer/netbeans.css
/usr/share/javadoc/netbeans-platform11/org-openide-explorer/netbeans-lite.css
/usr/share/javadoc/netbeans-platform11/org-openide-nodes/netbeans.css
/usr/share/javadoc/netbeans-platform11/org-openide-nodes/netbeans-lite.css
/usr/share/javadoc/netbeans-platform11/org-netbeans-modules-print/netbeans.css
/usr/share/javadoc/netbeans-platform11/org-netbeans-modules-print/org/netbeans
/usr/share/javadoc/netbeans-platform11/org-netbeans-modules-print/netbeans-lite.css
/usr/share/javadoc/netbeans-platform11/org-netbeans-api-progress/netbeans.css
/usr/share/javadoc/netbeans-platform11/org-netbeans-api-progress/org/netbeans
/usr/share/javadoc/netbeans-platform11/org-netbeans-api-progress/netbeans-lite.css
/usr/share/javadoc/netbeans-platform11/org-openide-text/netbeans.css
/usr/share/javadoc/netbeans-platform11/org-openide-text/netbeans-lite.css
/usr/share/javadoc/netbeans-platform11/org-netbeans-modules-queries/netbeans.css
/usr/share/javadoc/netbeans-platform11/org-netbeans-modules-queries/org/netbeans
/usr/share/javadoc/netbeans-platform11/org-netbeans-modules-queries/netbeans-lite.css
/usr/share/javadoc/netbeans-platform11/org-openide-io/netbeans.css
/usr/share/javadoc/netbeans-platform11/org-openide-io/netbeans-lite.css
/usr/share/javadoc/netbeans-platform11/org-netbeans-modules-editor-mimelookup/netbeans.css
/usr/share/javadoc/netbeans-platform11/org-netbeans-modules-editor-mimelookup/org/netbeans
/usr/share/javadoc/netbeans-platform11/org-netbeans-modules-editor-mimelookup/netbeans-lite.css
/usr/share/javadoc/netbeans-platform11/org-netbeans-modules-autoupdate-services/netbeans.css
/usr/share/javadoc/netbeans-platform11/org-netbeans-modules-autoupdate-services/org/netbeans
/usr/share/javadoc/netbeans-platform11/org-netbeans-modules-autoupdate-services/netbeans-lite.css
/usr/share/javadoc/netbeans-platform11/org-openide-windows/netbeans.css
/usr/share/javadoc/netbeans-platform11/org-openide-windows/netbeans-lite.css
/usr/share/javadoc/netbeans-platform11/org-openide-execution/netbeans.css
/usr/share/javadoc/netbeans-platform11/org-openide-execution/netbeans-lite.css
/usr/share/javadoc/netbeans-platform11/org-netbeans-modules-settings/netbeans.css
/usr/share/javadoc/netbeans-platform11/org-netbeans-modules-settings/org/netbeans
/usr/share/javadoc/netbeans-platform11/org-netbeans-modules-settings/netbeans-lite.css
/usr/share/javadoc/netbeans-platform11/org-openide-filesystems/netbeans.css
/usr/share/javadoc/netbeans-platform11/org-openide-filesystems/netbeans-lite.css
/usr/share/javadoc/netbeans-platform11/org-openide-dialogs/netbeans.css
/usr/share/javadoc/netbeans-platform11/org-openide-dialogs/netbeans-lite.css
/usr/share/javadoc/netbeans-platform11/org-netbeans-modules-options-api/netbeans.css
/usr/share/javadoc/netbeans-platform11/org-netbeans-modules-options-api/org/netbeans
/usr/share/javadoc/netbeans-platform11/org-netbeans-modules-options-api/netbeans-lite.css
/usr/share/javadoc/netbeans-platform11/org-openide-modules/netbeans.css
/usr/share/javadoc/netbeans-platform11/org-openide-modules/netbeans-lite.css
/usr/share/javadoc/netbeans-platform11/org-netbeans-api-annotations-common/netbeans.css
/usr/share/javadoc/netbeans-platform11/org-netbeans-api-annotations-common/org/netbeans
/usr/share/javadoc/netbeans-platform11/org-netbeans-api-annotations-common/netbeans-lite.css
/usr/share/doc/packages/netbeans-platform
/usr/share/doc/packages/netbeans-javaparser
sebastian@linux-l7j9:~>