Many people like the vi text editor but the default bash command line editor recognizes emacs keystrokes.
What command entered into a bash initialization file will have bash recognize vi keystrokes after login?
A.
history -p vi
B.
alias emacs=vi
C.
HISTCMD=vi
D.
set -o vi
E.
unset emacs
Explanation:
You can switch the internal bash commandline editor by using the set -o command either directly in the command line or in the .bashrc file (or any other start script).