linux内核组成部分：核心文件、模块文件
grub]# ls /boot/
grub]# ls /boot/
config-3.10.0-123.el7.x86_64
grub
grub2
initramfs-0-rescue-7f28c3a9e20047db9ede37e2b0c3bcfa.img
initramfs-3.10.0-123.el7.x86_64.img
initramfs-3.10.0-123.el7.x86_64kdump.img
initrd-plymouth.img
symvers-3.10.0-123.el7.x86_64.gz
System.map-3.10.0-123.el7.x86_64
vmlinuz-0-rescue-7f28c3a9e20047db9ede37e2b0c3bcfa
vmlinuz-3.10.0-123.el7.x86_64
grub]# ls /lib/modules 模块文件
[root@localhost grub]# ls /lib/modules
3.10.0-123.el7.x86_64
[root@localhost grub]# ls /lib/modules
[root@localhost grub]# ls /lib/modules
3.10.0-123.el7.x86_64
[root@localhost grub]# ls /lib/modules/3.10.0-123.el7.x86_64/
build modules.builtin modules.modesetting source
extra modules.builtin.bin modules.networking updates
kernel modules.dep modules.order vdso
modules.alias modules.dep.bin modules.softdep
modules.alias.bin modules.devname modules.symbols
modules.block modules.drm modules.symbols.bin
[root@localhost grub]# ls /lib/modules/3.10.0-123.el7.x86_64/kernel
[root@localhost grub]# ls /lib/modules/3.10.0-123.el7.x86_64/kernel
arch crypto drivers fs kernel lib mm 内存管理功能 net网络功能 sound 声音相关的驱动程序
[root@localhost grub]# ls /lib/modules/3.10.0-123.el7.x86_64/kernel/fs
[root@localhost grub]# ls /lib/modules/3.10.0-123.el7.x86_64/kernel/fs binfmt_misc.ko cifs exofs fscache isofs mbcache.ko nfsd squashfs btrfs cramfs ext4 fuse jbd2 nfs nls udf cachefiles dlm fat gfs2 lockd nfs_common pstore xfs