| rpm based | deb based |
| ntsysv/chkconfig | sysv-rc-conf |
| service httpd start | invoke-rc.d apache2 start |
| rpm -q | dpkg-query -W |
| rpm -qf | dpkg -S |
| rpm -ql | dpkg -L |
| rpm -qi | dpkg -p |
| yum info | apt-cache show |
rpm -qi shows Vendor so you can see who built the package and usually what repository it came from. To see similar info with Debian use 'apt-cache policy package' This will show an http:// url so you can tell what source it came from.