It is a postfix representing the subnet „set bit“ prefix. Can we agree on this ?

Third: with your /24 subnet you told your system it has that many address to talk to. With the /32 you told it has none to talk to. With adding a route you gave the additional info „there is another network called … with a subnet of … wich you can talk to“ So your second solution is more or less equivalent but with extra steps. I don’t know how it’s implemented in the backend but it is different as in the second there is no network per default but you add routes to some. In contrast to there is a network and no routing is needed

Second, a bit of a nitbit. It’s a postfix not a prefix, as it is after the IP address

First: it seems you got some things mixed up. 192.168.0.1/24 isn’t a IP address, strictly speaking. It’s Network information wich translates to „your IP is 192.168.0.1 and your subnet mask is 255.255.255.0“. The /dd is the amount of bits set in the subnet mask. An within the first and last address are reserved for network and broadcast. With your /32 assignments you basically told your system, it has no network to talk to.

What is GNU?

GNU is an operating system that is free software—that is, it respects users’ freedom. The GNU operating system consists of GNU packages (programs specifically released by the GNU Project) as well as free software released by third parties. The development of GNU made it possible to use a computer without software that would trample your freedom.

Directly from the official GNU website : https://www.gnu.org/home.en.html

And btw an OS is more than a kernel, the kernel is „just“ the foundation on witch the OS works. Hardware communication is on kernel level, for example.

Well, GNU is a Linux based OS. Is they would write „GNU is a LINUX/GNU variant“ it would confuse more than it would teach.

Elementary It’s just like Mint but I had way less issues than with any other distros.

Did you know the whole grep program was written within a day, by non other then Ken Thompson https://youtube.com/watch?v=NTfOnGZUZDk&feature=share7