Ssh After Entering The Password Of Ssh It Shows Me The Errors.

Tere was a folder in /home/virtfs and I delete this folder and now when I try tologin to ssh after entering the password of ssh it shows me the below errors.

-bash: id: command not found
-bash: [: =: unary operator expected
-bash: id: command not found
-bash: dircolors: command not found
-bash: tr: command not found
-bash: id: command not found
-bash: [: =: unary operator expected
-bash: whoami: command not found
grep: /var/cpanel/users/: Permission denied
-bash: mesg: command not found
-bash: dircolors: command not found
sshadmin@XXX [~]# su -
Password:

and in service status in whm the memory used is 100% but the sites are working.

and root@XXX [/]# top
-bash: top: command not found
root@XXX [/]#