Linux以KB显示内存大小

Linux以KB显示内存大小

youhaidong@youhaidong-ThinkPad-Edge-E545:~$ free -k
             total       used       free     shared    buffers     cached
Mem:       3103064    1739452    1363612       8244      67772     700036
-/+ buffers/cache:     971644    2131420
Swap:      3998716          0    3998716
youhaidong@youhaidong-ThinkPad-Edge-E545:~$ free --kilo
             total       used       free     shared    buffers     cached
Mem:       3103064    1737864    1365200       8244      67772     700036
-/+ buffers/cache:     970056    2133008
Swap:      3998716          0    3998716