Deleting File Contents in Linux Terminal

To delete the entire content of a file via terminal in Linux, we will enter the following commands.

(Enter your file extension according to your preference.)

We will look at the file content with the first command.

cat /etc/dovecot/dovecot.cot

With the second command we will clear the file contents.

cat /dev/null > /etc/dovecot/dovecot.conf

We can enter the following command to check.

cat /etc/dovecot/dovecot.conf