'ls -l'命令输出格式简介

 'ls -l'命令以长格式显示文件列表，其各字段含义如下：

lrwxr-xr-x   1 zyd      users         15 Oct 23 10:40 sym_link->;/tmp/sym_target
_________     ___      _____            ____________ ________  _______________
|    |       |  |         |            |       |          |            |
|    |       |  |         |            |       |          |            +--符号连接(s_link)
|    |       |  |         |            |       |          |
|    |       |  |         |            |       |          +-----文件名(name)
|    |       |  |         |            |       |
|    |       |  |         |            |       +----文件最后更改时间(time)
|    |       |  |         |            |
|    |       |  |         |            +------------以字节计的文件长度(size)
|    |       |  |         |
|    |       |  |         +----------文件属组(group)
|    |       |  |
|    |       |  +--------------------文件属主(user)
|    |       |
|    |       +-------连接数位(count)
|    |
|    +-------文件模式位(mode),占9位
|
+------------文件类型位(type),占一位

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