Linux - ubuntu 16.4:
by using 'find' or 'locate' find all files that names are made out of only one letter, numer or other sign.
example: 1, a, g, z
not: file. exe, ab, sys
what comman do i have to use?

1. which of the following statements are true about routers and routing on the internet. choose two answers. a. protocols ensure that a single path between two computers is established before sending packets over it. b. routers are hierarchical and the "root" router is responsible for communicating to sub-routers the best paths for them to route internet traffic. c. a packet traveling between two computers on the internet may be rerouted many times along the way or even lost or "dropped". d. routers act independently and route packets as they see fit.

Ais a built in formula in spread spread a is any math process such as addition or subtraction. options are function and operation

What is the function of compilers and interpreters? how does a compiler differ from an interpreter?