Use the which and Whereis commands in Linux to locate and locate files

which

Find a file in an environment variable

-A finds all content, not the first file

-n < filename length > Specifies a filename length that must be greater than or equal to the longest file name in all files.

-p < filename length > is the same as-n parameter, but here < filename length > includes the path to the file.

-W Specifies the width of the field when output.

-V Displays version information.

Cases:

The code is as follows:

[Zhangy@blackghost download]$ which find

/usr/bin/find

Whereis

Syntax of the Whereis command: Whereis [-BMSU] [BMS directory name-f] File name

The options for the Whereis command have the following meanings:

-B locates the executable file.

-M locate Help file.

-S locates the source code file.

-U searches for files other than executables, source code files, and Help files under the default path.

-b Specifies the path to search for an executable file.

-m specifies the path to the search Help file.

-s specifies the path to the search source code file.

Cases:

The code is as follows:

[Root@localhost ~]# Whereis Nginx

Nginx:/usr/sbin/nginx/etc/nginx/usr/share/nginx/usr/share/man/man3/nginx.3pm.gz