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I wish that too.
A bit obscure, but sometimes root users have fewer privileges than normal users. For instance, root is usually blocked write access to NFS mounts - otherwise they could store an SUID binary and gain admin access on any system the NFS mounts on. It's a good way to maintain a distinction between local and global privilege.
TL;DR If
rootacts funny, I would check how your user home directory is mounted.thanks, I've had my fun
Make sure you have sudo access, add a password for root, add an SSH key for root and set allow root login in sshd config to "without-password" so you can only login over SSH using a key. It's important to have a root password set, as you might not always be able to login over SSH.
For example, if your server dies for whatever reason and you have to use the console to get it back online - you will need your root password to login to the console! Don't just rely on sudo.
If you do set a root password, make sure other services that use PAM etc are secure, such as FTP or cPanel.
you would need to have your provider give you root access. Or sudo, so you can make any changes if you lost your root access. But you would do better by asking your provider's support or just reinstall the server alltogether
Not if your disk is unencrypted and can boot the server in rescue mode(via console, not rescue cd).
At least I got root without prompt for password on my laptop and on servers as well with debian 7-8.
you can use "sudo su" in winscp