Just executeenvin a terminal.

Example output:

$ env TERM=xterm SHELL=/bin/bash USERjoksnet USERNAMEjoksnet DESKTOP_SESSIONgnome PATHusr/localsbin:/games PWDhomejoksnet GDM_KEYBOARD_LAYOUTus LANGen_US.utf8 HOMEjoksnet DISPLAY=:0.0 COLORTERMgnome-terminal _env

      
      

       
       
 
        
 
         
 
          
 
            
           down vot 
          
 
        
 
       
      
      

 env | sortto sort as well env | sort