Linux以百万兆字节显示内存大小

Linux以百万兆字节显示内存大小

youhaidong@youhaidong-ThinkPad-Edge-E545:~$ free --tera
             total       used       free     shared    buffers     cached
Mem:             0          0          0          0          0          0
-/+ buffers/cache:          0          0
Swap:            0          0          0