your processor architecture, you can determine it by entering the command “
uname -p” in a terminal, You should see something like this:
To find out your CentOS version just run, you should see something like this:
Kernel \r on an \m
To print a file in reverse order, Just a reverse of
wall hello everyone
Allows root or other users allowed to issue commands as root to send a message to everyones terminal.
To output the first part of files to the terminal, just a reverse of
Reloads bash_profile / profile without starting a new shell session.