total 24
-rw-r--r--  1 chesterzhang  staff    0 Jan 21 12:18 file1.txt
-rw-r--r--  1 chesterzhang  staff    0 Jan 21 12:18 file2.txt
-rw-r--r--  1 chesterzhang  staff   22 Jan 21 12:23 file3.txt
-rw-r--r--  1 chesterzhang  staff   28 Jan 21 12:16 file_ex.txt
-rw-r--r--  1 chesterzhang  staff    0 Jan 21 12:22 file_md.md
-rw-r--r--@ 1 chesterzhang  staff  250 Jan 21 12:08 file_record.txt