linux命令之 whatis
linux-dash
A beautiful web dashboard for Linux
项目地址:https://gitcode.com/gh_mirrors/li/linux-dash
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whatis命令是用于查询一个命令执行什么功能,并将查询结果打印到终端上,相当于 man -f
使用语法:
whatis 命令/系统调用/库函数/特殊文件名
举例:
[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) - configuration data for man
执行whatis后,将会查找一个存储所有命令相关信息的数据库,根据命令名返回相关结果。
如果需要重建这个命令相关信息的数据库,执行以下命令:
makewhatis
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A beautiful web dashboard for Linux
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