Super User versus Unix and Linux versus Ask Ubuntu
923
Which computer science / programming Stack Exchange sites do I post on?
103004
What environment do I get with sudo?
126003
Are there standards for Linux command line switches and arguments?
131254
Can you grant superuser privileges to an application?
68900
Industry Standards for Browser Support?
53084
Is Linux a Unix?
39555
Maximum number of users on Linux
145528
priority of the Linux group & user
72309
Should I run Ubuntu alongside Windows or in a virtual machine?
153918
Is there a Ubuntu sanity check?
67698
What is the root user
112363
Cross-platform usable filesystem with large file support
97145
Disable user shell for security reasons
77162
How to create a user with limited RAM usage?
113101
What is the danger of running untrusted software as a normal user
45102
What are the differences between sudo, su, visudo, chroot, and gksu?
86511
How do Ubuntu and Debian manage $HOME for users with sudo privileges?