linux下究竟怎么分区

[chenzhengxi001]

linux下究竟怎么分区
我装的是redhat9
/boot 5MB All Kernel images are kept here.
/usr 512MB Must be large, since all Linux binaries programs are installed here.
/home 1146MB Proportional to the number of users you intend to host (i.e. 10MB per users * by
the number of users 114 = 1140MB).
/chroot 256MB If you want to install programs in chroot jail environment (i.e. DNS).
/cache 256MB This is the cache partition of a proxy server (i.e. Squid).
/var 256MB Contains files that change when the system run normally (i.e. Log files).
<Swap> 128MB Our swap partition. The virtual memory of the Linux operating system.
/tmp 256MB Our temporary files partition.
/ 256MB Our root partition.
这是书上介绍的
我却看不懂
请高手详细的解释一下