How can I try old UNIX versions?
9552
Where can I get the original Unix?
125528
What's this I hear about First Edition Unix being restored?
114305
On really old Ubuntu 6.06 - How to upgrade
21323
Where can I download the latest release of Ubuntu?
109751
Is there a Linux distro that's UNIX certified?
479
How can I boot with an older kernel version?
99668
How can I tell what version of Linux I'm using?
77976
How do I know if I am running 32 or 64-bit Linux?
90881
What to use when the "ls" command doesn't work?
35093
Upgrading from the command line?
30228
How do I check which shell I am using?
1520
How to install software or upgrade from an old unsupported release?
123231
How to install old version of mongodb?
138347
Why does java -version return an old version?
99169
How to install previous Firefox version?
96705
How to find and delete files older than specific days in unix?
53267
How do I recover the default version of some configuration file?