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This article introduces the relevant knowledge of "how to use the whatis command of Linux". In the operation of actual cases, many people will encounter such a dilemma, so let the editor lead you to learn how to deal with these situations. I hope you can read it carefully and be able to achieve something!

Linux common command whatis command is used to query what function a command performs and print the query results to the terminal.

Whatis queries what functions a command performs

Add that the whatis command looks for commands, system calls, library functions, or special file names specified by the command parameter in the database created with the catman-w command. The whatis command displays the header line in the manual section. You can then issue the man command to get additional information. The whatis command is equivalent to using the man-f command.

Syntax whatis instance [root@localhost ~] # whatis ls ls (1)-list directory contents ls (1p)-list directory contents [root@localhost ~] # whatis cp cp (1)-copy files and directories cp (1p)-copy files [root@localhost ~] # whatis chown chown (1) -change file owner and group chown (1p)-change the file ownership chown (2)-change ownership of a file chown (3p)-change owner and group of a file [root@localhost ~] # whatis man man (1)-format and display the on-line manual pages man (1p)-display system documentation man (7)-macros to format man pages man (rpm)-A set of documentation tools: man Apropos and whatis. Man-pages (rpm)-Man (manual) pages from the Linux Documentation Project. Man.config [man] (5)-this is the end of configuration data for man's "how to use the whatis command of Linux". Thank you for reading. If you want to know more about the industry, you can follow the website, the editor will output more high-quality practical articles for you!

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