If you use the -l option with ls, you will get a file listing that contains a wealth of information about the files being listed. Here's an example.

如果你在使用ls命令的时候永乐- l选项，那么，你就会得到显示的关于一个文件的很多信息。

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Invensys plc is headquartered in London and is listed on the London Stock Exchange (ISYS. L), with approximately 20,000 employees working in 50 countries.

英维思集团总部设于伦敦，是伦敦证券交易所上市公司，集团拥有大约20，000名员工，业务遍及全球50个国家。

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Remarks: This copy was listed as lot 8 in L. Y. Woo's Catalogue of Red Revenue 3c Surcharges published in 1972.

附注：此件在1972年吴乐园的《吴氏邮票让品目录》中列为第8号让品。

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The Grade l listed castle attracts almost 270, 000 annual visits, Nottingham City Council said.

BBC: Nottingham Robin Hood tourism plans revealed

The council said the Grade l listed castle attracts almost 270, 000 annual visits.

BBC: Nottingham Castle's Robin Hood revamp plans submitted

The Grade l listed castle attracts almost 270, 000 visitors a year.

BBC: MP backs Robin Hood revival in Nottingham