- When we only remember some command keywords, we can search through man -k;
- If you need to know a brief description of a certain command, you can use whatis; for a more detailed introduction, you can use the info command;
- To see where the command is, we need to use which;
- For the specific parameters and usage of the command, we need to use the powerful man;
linux: help command
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Origin blog.csdn.net/weixin_36416680/article/details/106860956
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