What is the method for fuzzy matching strings in the shell?

In a shell, wildcards can be used for fuzzy matching strings. The commonly used wildcards are * and ?.

1. It represents matching any characters of any length, and can be used to match prefixes, suffixes, or middle portions of any characters.
2. The question mark represents matching a single character, which can be used as a substitute for matching a single character.

Here are a few examples:

1. Match any string starting with abc: abc*
2. Match any string that ends with ‘abc’: *abc
3. Match any string containing “abc”: *abc*
4. Match three-character strings that start with ‘a’ and end with ‘c’: a?c
5. Match any four-character string that starts with ‘a’ and ends with ‘c’: a??c

These wildcards can be used for fuzzy matching, for example when using the ls command, you can use ls *.txt to list all files ending with .txt in the current directory.