vartmp is the file but the path is correct:
root@:BK:9% ls -l /var/root
total 212592
lrwxr-xr-x 1 root wheel 35 Jan 20 2016 .cshrc -> /packages/mnt/jbase/var/root/.cshrc
-rw------- 1 root wheel 2157 Sep 27 16:33 .history
lrwxr-xr-x 1 root wheel 35 Jan 20 2016 .login -> /packages/mnt/jbase/var/root/.login
lrwxr-xr-x 1 root wheel 37 Jan 20 2016 .profile -> /packages/mnt/jbase/var/root/.profile
-rw-r--r-- 1 root wheel 3354 Mar 1 2016 et a
-rw-r--r-- 1 root wheel 108789760 Sep 26 22:44 vartmp