Linux Commands

To view what's written in a file. ubuntu@ip-172-31-42-180:~$ cat Hello.txt hello morla To change the access permissions of files. ubuntu@ip-172-31-42-180:~$ chmod 777 Hello.txt ubuntu@ip-172-31-42-180:~$ ls -l total 24 drwxrwxr-x 3 ubuntu ubuntu 409...