What is the purpose of the bash built-in export command?
A.
To allow disks to be mounted remotely.
B.
To run a command as a process in a sub-shell.
C.
To make the command history available to sub-shells.
D.
To setup environment variables for applications.
E.
To share NFS partitions for use by other systems on the network.
Explanation:
Without export, a variable will only be visible in the process that defined it. Exported variables are also visible in all child processes that are created after the export.