How Do I Open a Read Only File in Linux?

How do I change a read only file in Linux?

Long Answer

1. Log in as the root user: [email protected]:~$ sudo su –
2. Open hostname: [email protected]:~# vi /etc/hostname.
3. You will see oldName . …
4. Open hosts: [email protected]:~# vi /etc/hosts. …
5. Similarly to what you did in step 3, change the computer name from oldName to newName . …
6. Exit the root user: [email protected]:~# exit.

How do I open and read a file in Linux?

Open File in Linux

1. Open the file using cat command.
2. Open the file using less command.
3. Open the file using more command.
4. Open the file using nl command.
5. Open the file using gnome-open command.
6. Open the file using head command.
7. Open the file using tail command.