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免责声明：本文档可能包含第三方产品信息，该信息仅供参考。阿里云对第三方产品的性能、可靠性以及操作可能带来的潜在影响，不做任何暗示或其他形式的承诺。免责声明：概述购买Linux系统的云服务器ECS时，未购买数据盘，使用一段时间后，随着业务增加，现有系统盘已无法满足业务需求。执行df -h命令查询空间...

linux文本操作：如何给以制表符分隔的数据文本首行添加列号

用非手动方式。例如abc abc 123 123asd ahg 56 789esh huh 788 789转化为：1 2 3 4abc abc 123 123asd ahg 56 789esh huh 788 789

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