What is k-shell?

Answer 1

A shell is a "command prompt" like application in unix based systems, there are many shells, k-shell (ksh) is one of them, others are bourne-shell (sh), born again shell (bash) etc ....

They have their own set of commands, some of them may be supported by more than one shell.

states above are correct k-shell or korn shell.

Answer 2

The K-shell refers to the innermost electron shell in an atom, which can hold up to 2 electrons. Electrons fill this shell before moving to higher energy shells. The K-shell is the closest shell to the nucleus and has the lowest energy level.

Answer 3

it is based on scientist name kammerling,