The simplest usage of find on linux is writing find  and on osx you should provide .

bash

To search deeply within a single directory using `find`, you can use the following 

command:

bash

However, this will print the paths of all files and directories within the current 

working directory. If you want to search for specific file types or match certain 

patterns, you can modify the command as follows:

bash

Here's a breakdown of the options used in this example:

* `. ` : This is the starting point for the search. The dot (`.`) represents the current 

working directory.

* `-type f` : This option specifies that only files (not directories or other types of 

entities) should be matched.

* `-name "pattern"` : This option specifies a pattern to match against file names. You 

can use globbing patterns like `*`, `?`, and `[`. If you want to search for multiple 

patterns, separate them with commas: `find . -name "pattern1,pattern2"`.

* `-print` : This option tells `find` to print the paths of matching files.

To find specific file types (e.g., only `.txt` or `.pdf` files), use the following 

syntax:

bash

Or, if you want to search for both `.txt` and `.pdf` files simultaneously:

bash

If you need to search within a specific directory or subdirectory, use the following 

syntax:

bash

Make sure to replace `/path/to/directory` with the actual path of your target directory.

To limit the search depth using `find` in Bash, you can use the `-maxdepth` option. 

Here's an example:

bash

In this command:

* `. ` is the starting point for the search (the current working directory).

* `-maxdepth 2` specifies that the search should only go up to a depth of 2 levels. This 

means that:

 + The first level includes the files and directories directly within the starting point 

(`.`).

 + The second level includes any files or directories within those subdirectories.

* `-type f` specifies that only files (not directories or other types of entities) should 

be matched.

If you want to search for a specific file type, pattern, or match certain criteria, you 

can combine the `-maxdepth` option with other options, like this:

bash

This command will find only `.txt` files within the first two levels of subdirectories.

To search up to a specific depth (e.g., level 3, level 4, etc.), simply replace `2` with 

the desired depth:

bash

Note that you can also use `-mindepth` to specify the minimum depth of the search:

bash

However, when used together with `-maxdepth`, `-mindepth` will override it. Therefore, if 

you need both a maximum and minimum depth, use `--maxdepth` and `--mindepth` to ensure 

the correct order:

bash

Keep in mind that if you omit both `-maxdepth` and `-mindepth`, `find` will perform a 

recursive search of the entire directory tree.