Man in linux

Linux man-Linux general technology-Linux technology and application information. The following is a detailed description. Almost all linux systems have man, and man contains almost all help documents for system usage or development (some may not be complete and need to be installed on their own) however, basic help documents are included. Man is displayed in the partition segment, and the content displayed in different segments may be different. For example, man sleep and man 3 sleep may have different results. After adding 3, the Section 3rd contains the sleep in the library function. However, in sleep's man, the "see also" prompt will show you that there is a link between the chapter and the current query content. the list of specific regions and zones is as follows:

Executable programs or shell commands (General Executable programs and shell commands)

System CILS (functions provided by the kernel) (System call)

Library CILS (functions within program libraries) (Library Function)

Special files (usually found in/dev) (Special file... device)

File formats and conventions eg/etc/passwd (File composition format and habits)

Games)

Miscellaneous (including macro packages and conven?

Tions), e.g. man (7), groff (7) (Miscellaneous)

System administration commands (usually only for root) (Administrator command)

Kernel routines [Non standard] (Kernel command)

You can use "man" to view man's options and usage, "man command" to view the specific usage of this command or use "man-k keyword" to find the corresponding help information through keyword.