Why isn’t GNU/Linux SUS v3+ compliant?
I am looking for specific details as to why isn’t GNU/Linux currently SUS (Single UNIX Specification) v3 or even better SUS v4 compliant?
standard
What is the best way to detect (from a script) whether software is installed?
I’ve been frustrated before with differences in output from the which command across different platforms (Linux vs. Solaris vx. OS X), with different shells possibly playing into the matter as well. type has been suggested as a better alternative, but how portable would that be?
Is the behaviour of .* to include . and .. defined in LSB or POSIX or some other specification?
Is the behavior of .* to include . and .. defined in LSB or POSIX or some other specification?
Which are the standard commands available in every Linux based distribution?
I would like to know which are the standard commands available in every Linux system.
WM_CLASS vs WM_INSTANCE?
When I run xprop I get a class string that has two values, one of them i3 calls an instance, the other a class, for example on chromium-browser the xprop utility will return something like this,