What can the type command do that whereis can’t?

What can the type command do that whereis can’t?
A . Identify a command as being a binary or a script
B . Identify a command as an alias, internal command, or external command
C . Identify the command as being for x86 or x86-64 CPUs
D . Assist in typing a command by finishing typing it for you
E . Locate commands based on their intended purpose, not just by name

View Answer

Answer: B