free命令
type | desc |
---|---|
total | physical mem |
used | used = total- free-buffers-cache |
free | Free/Unused memory |
shared | It is here only for backward comopatibility |
buff/cache | The combined memory used by the kernel buffers and page cache ans slabs. This memory can be reclaimed at any time if needed by the applicaitons. If you want buffers and cache to displayed in two separate columns, use -w options. |
available | An estimate of the amount of memory that is availablew for starting new applications, without swaping. |
https://linuxize.com/post/free-command-in-linux/
https://www.cnblogs.com/peida/archive/2012/12/25/2831814.html