【 free 】 メモリーの使用状況を表示する
It is wrong because Cached includes memory that is not freeable as page cache, for example shared memory segments, tmpfs, and ramfs, and it does not include reclaimable slab memory, which can take up a large fraction of system memory on mostly idle systems with lots of files. If things change in the future, we only have to change it in one place. . However, this may change in the future, and user space really should not be expected to know kernel internals to come up with an estimate for the amount of free memory. And while top is referred to throughout this document, you are free to name the program anything you wish.
Linux・UNIXでコマンドを定期的(数秒ごとなど)に連続実行させる方法
That new name, possibly an alias, will then be reflected on top's display and used when reading and writing a configuration file. It can display system summary information as well as a list of processes or threads currently being managed by the Linux kernel. The types of system summary information shown and the types, order and size of information displayed for processes are all user configurable and that configuration can be made persistent across restarts. The program provides a limited interactive interface for process manipulation as well as a much more extensive interface for personal configuration -- encompassing every aspect of its operation. .
