Suse Linux, Debian and slackware are way older than Ubuntu.
Red Hat
SLS and Yggdrasil came out in '92; Slackware in '93; Red Hat in '95.
The Debian project started in '93, but the first stable release wasn't until '96, along with Linux kernel version 2.0.
Ubuntu didn't come along until 2004.
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Suse Linux, Debian and slackware are way older than Ubuntu.
Red Hat
SLS and Yggdrasil came out in '92; Slackware in '93; Red Hat in '95.
The Debian project started in '93, but the first stable release wasn't until '96, along with Linux kernel version 2.0.
Ubuntu didn't come along until 2004.