Will you use the MAN command in Linux?

(1) all the manual pages belong to a specific field and are represented by one character. The most common fields in Linux and their names and descriptions are as follows: Domain name description 1 user command, can be any

(1) all the manual pages belong to a specific field and are represented by one character..

The most common fields in Linux and their names and descriptions are as follows:

Domain name description

1. user commands can be started by anyone.

2. system calls, that is, functions provided by the kernel.

3 routines, that is, library functions.

4 devices, that is, special files under the/dev directory.

5. file format description, for example,/etc/passwd.

6 games, no need to explain!

7 Miscellaneous, such as macro command packages and conventions.

8. the system administrator tool can only be started by the root user.

9 others (Linux-specific) are used to store documents of kernel routines.

N New documents may need to be moved to a more appropriate area.

O old documents may be retained for a period of time.

L local documents related to the specific system.

For example, man ls will have LS (1)

(2) some common parameters and usage of man

Man-a cmd

Open the help with the same name in all fields, such as man fam, you will first enter a fam (1 M) command version fam help, you then press the q key

Will enter FAM (3X), library function version Help

Man-aw cmd

Shows the path of all the cmd manual files, such as man-aw fam.

/Usr/share/man/man1/fam.1m.gz

/Usr/share/man/man3/fam.3x.gz

Man domain code cmd

Directly specify the manual page for search in a specific field, such as man 3 fam.

Man-M cmd

Specify the search path of the manual file, such as man-M/home/mysql/man mysql,

Instead of the help of the old mysql version that comes with the system

Man cmd | col-B> cmd.txt

Output man manual information to a text file

LANG = language code

Man-w cmd

Manpage file path in man-specific language

View the manual page for a specific language version

For example, to view the Chinese man of mplayer

Shell> LANG = zh

Shell> man-w mplayer

/Usr/share/man/zh/man1/mplayer.1.gz

Open a new shell window (or in the original window shell> LANG = en_US.UTF-8)

Shell> man/usr/share/man/zh/man1/mplayer.1.gz

(3) man's configuration file/etc/man. config

If you do not want to use-M to specify the path for man cmd every time, you can modify the configuration file and add the content as shown in

MANPATH/home/mysql/man

Man's Search order in various fields can be modified by modifying

MANSECT 1: 8: 2: 3: 4: 5: 6: 7: 9: tcl: n: l: p: o

Implementation, which is not recommended for modification.