Updated some new usages (#31635)

* Updated some new usages

Displaying information using wild card and merging file usuage added

* fix: resolve-conflicts

guide/english/bash/bash-cat/index.md

@@ -3,27 +3,23 @@ title: Bash cat
 ---
 
 ## Bash command: cat
-
 The bash command `cat` is one of the most frequently used commands in Unix operating systems. It is used to read a file sequentially and print it to the standard output.
 The command's name is derived from its function to con**cat**enate files.
 
 The cat command can also be used to create a text file.
 
 ### Usage
-
 ```bash
 cat [options] [file_names]
 ```
 
 Most used options:
-
 * `-b`, number non-blank output lines
 * `-n`, number all output lines
 * `-s`, squeeze multiple adjacent blank lines
 * `-v`, display nonprinting characters, except for tabs and the end of line character
 
 ### Example
-
 Print in terminal the content of file.txt:
 ```bash
 cat file.txt
@@ -45,6 +41,11 @@ cat > yourfile.txt
 ```
 After pressing Enter, the cursor will be placed on the next line. You can start entering your desired text directly into your file. Press Ctrl+D or Ctrl+C to exit the file.
 
+Using wildcard to display contents of all text files:
+```bash
+cat *.txt
+```
+
 **Tip**: Using `cat` on a directory will cause error, so make sure it's a readable file.
 
 #### More Information: