du

display disk usage statistics

OS X El Captain
Version 10.11.6 (15G31)

$ man du

Example;

Find big size dir or files

• first

  $ cd 'dir you want to know each file size follow'
  

• display dir and size more than Gbyte

  $ du -sh | grep G
  

• display file and size more than Gbyte

  $ du -ah | grep '^[0-9.]*G'