What is Debian package Linux?

A Debian “package”, or a Debian archive file, contains the executable files, libraries, and documentation associated with a particular suite of program or set of related programs. Normally, a Debian archive file has a filename that ends in . deb .

Is Ubuntu a Debian package?

Ubuntu develops and maintains a cross-platform, open-source operating system based on Debian, with a focus on release quality, enterprise security updates and leadership in key platform capabilities for integration, security and usability.