A junior systems administrator is configuring localization option environment variables. The administrator is given a checklist of tasks with the following requirements:
- View current settings of the LC_ALL environment variable only.
- Modify the LANG environment variable to US English Unicode.
Given this scenario, which of the following should be performed to meet these requirements? (Choose two.)

A. echo $LC_ALL B. locale C. cat $LC_ALL D. export LANG = en_US.UTF-8 E. export $LANG = en_US.UTF F. stty