Why are most Linux distributions not POSIX-compliant?
109751
Is there a Linux distro that's UNIX certified?
82832
Why, still in modern GUI-based Linux distros, is it common to use the command line?
9359
Process Unicode files with BOM correctly with POSIX tools
124681
32-bit vs 64-bit vs ARM in regards to programs and OSes
6105
What is the easiest way to resolve apt-get BADSIG GPG errors?
140629
What is the smallest possible Linux implementation?
128973
What is the portable (POSIX) way to achieve process substitution?
34069
Why am I getting authentication errors for packages from an Ubuntu repository?
40827
Ask for a password in POSIX-compliant shell?
10354
Why *not* parse `ls` (and what to do instead)?
46201
bash completion in Posix mode
32554
Does Ubuntu follow the Linux Standard Base (LSB)?
52328
Why do I get different openssl versions?
10220
32-bit vs. 64-bit systems
12650
How to maintain PCI compliance on a LAMP server when repositories don't keep up with versions
96838
Is the behaviour of .* to include . and .. defined in LSB or POSIX or some other specification?
30857
How to build a high availability Postfix system?