DOS命令之mem

D:\test>mem /?
Displays the amount of used and free memory in your system.

MEM [/PROGRAM | /DEBUG | /CLASSIFY]

  /PROGRAM or /P   Displays status of programs currently loaded in memory.
  /DEBUG or /D     Displays status of programs, internal drivers, and other
                   information.
  /CLASSIFY or /C  Classifies programs by memory usage. Lists the size of
                   programs, provides a summary of memory in use, and lists
                   largest memory block available.

D:\test>