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.
If an equivalent file exists in your home directory it may override the global settings. An interactive login shell is started after a successful login, using /bin/login, by reading the /etc/passwd file. This shell invocation normally reads /etc/profile and its private equivalent ~/.bash_profile upon startup. An interactive non-login shell is normally started at the command-line using a shell program (e.g., [prompt]$/bin/bash) or by the /bin/su command.