An upper case character and a lower case character are considered different values in the search.
大写字符和小写字符在搜索中视为不同的值。
In the first column of output, you see the first character is an 'l' (lower-case l) for symbolic links.
在输出的第一列中，您可以看到，符号链接的第一个字符是‘l’(小写l)。
It is displayed in a long directory listing in the place of the executable flag for other users (the last character), with the same meaning for upper and lower case as for suid and sgid.
它显示在其他用户的可执行标识中(最后的字符)的长目录清单，而且suid和sgid的大小写意义相同。
Some values are all upper case, some are all lower case, and some are mixed case (" First character upper case ").
一些值是全大写的，一些是全小写的，其他是大小写混合的(首字母大写)。
Causes the next character to be outputted, to be output in lower case.
使下一个被输出的字符输出为小写。
Causes the next character to be outputted, to be output in lower case.
使下一个被输出的字符输出为小写。
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