Indentation and Line-Continuation

Spread long commands over multiple lines

find playground \
    ( \
        -type f \
        -not -perm 0600 \
        -exec chmod 0600 ‘{}’ ‘;’ \
    ) \
    -or \
    ( \
        -type d \
        -not -perm 0700 \
        -exec chmod 0700 ‘{}’ ‘;’ \
    )