Linux / Unix whereis Command Examples

The whereis command is a Linux/Unix utility that is used to locate the binary, source code, and manual page files for a given command or program. The whereis command searches the standard Linux/Unix paths for executables, libraries, and man pages, and it displays the location of the files it finds.

Here are some common examples of using the whereis command:

1. Locate the binary, source code, and manual page files for a command or program:

whereis <command_or_program>

For example, to locate the files for the ls command, you would run:

whereis ls

The output would look something like this:

ls: /bin/ls /usr/share/man/man1/ls.1.gz

This indicates that the binary file for the ls command is located at /bin/ls and the manual page is located at /usr/share/man/man1/ls.1.gz.

1. Locate the binary file for a command or program:

whereis -b <command_or_program>

For example, to locate the binary file for the ls command, you would run:

whereis -b ls

The output would look something like this:

ls: /bin/ls

1. Locate the manual page files for a command or program:

whereis -m <command_or_program>

For example, to locate the manual page files for the ls command, you would run:

whereis -m ls

The output would look something like this:

ls: /usr/share/man/man1/ls.1.gz

The whereis command is a useful tool for quickly finding the location of important files related to a command or program, which can be useful when trying to troubleshoot issues or configure the program.

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