What is the documented last line of the file?

A UNIX/Linux job logon user has a file that defines its environment prior to launching the job. What
is the documented last line of the file?

A.
tws_env.sh

B.
PATH=$PATH;export

C.
/bin/sh “$UNISON_JOB”

D.
/bin/sh-c”$UNISON_JCL”

Explanation: