1*f5b20388Scodeironman==================================== 2*f5b20388Scodeironman联合文件系统 3*f5b20388Scodeironman==================================== 4*f5b20388ScodeironmanUnion Filesystem： 5*f5b20388ScodeironmanOverlayFS 将多个文件系统（称为“层”）合并为一个逻辑文件系统，使用户看到一个统一的目录结构。 6*f5b20388Scodeironman 7*f5b20388Scodeironman.. toctree:: 8*f5b20388Scodeironman :maxdepth: 1 9*f5b20388Scodeironman 10*f5b20388Scodeironman overlayfs 11