Task: Display a long listing of the oldest file under '/workspace' directory tree
Command: find /workspace -type f -printf '%T+ %p\n' | sort | head -n 1 | awk '{print $2}' | xargs ls -l
Equivalent command: find /workspace -type f -exec stat --format '%Y %n' {} \; | sort -n | head -n 1 | cut -d' ' -f2- | xargs ls -l