So, a player who can jump 4 feet vertically will have a hang time of around a second, with half a second spent in the high part of the jump. Physics Of Basketball â Backspin. Backspin is used by players to improve their chances of getting the basketball into the net.
From Linux Shell Scripting Tutorial - A Beginner's handbook. The /etc/shells is a Linux / UNIX text file which contains the full pathnames of valid login shells. This file is used by various commands including chsh command.
The shell is the command prompt within Linux where you can type commands. If you have logged into a machine over a network (using ssh or telnet) then you will in a shell.