user@system:~$ ls -la
total 24
drwxr-xr-x 2 user user 4096 Jan 24 10:00 .
drwxr-xr-x 3 user user 4096 Jan 24 09:00 ..
-rw-r--r-- 1 user user 1024 Jan 24 10:00 file.txt
user@system:~$ cat file.txt
Hello, World!
This is a terminal UI example.
user@system:~$ echo "CLI UI"
CLI UI
user@system:~$ command_not_found
Error: command not found
user@system:~$ _