how to install virtualbox in tinycore

[freyone]

i download the virtualbox packets on ORACLE official site,but when i run the packetsl,it reported invalid:
tc@box:/mnt/sda1/smb$ sudo ./VirtualBox-5.2.6-120293-Linux_x86.run
Verifying archive integrity... All good.
Uncompressing VirtualBox for Linux installation.............
VirtualBox Version 5.2.6 r120293 (2018-01-15T15:41:22Z) installer
readlink: invalid option -- 'e'
BusyBox v1.24.1 (2015-12-12 16:02:17 UTC) multi-call binary.

Usage: readlink [-fnv] FILE

Display the value of a symlink

        -f      Canonicalize by following all symlinks
        -n      Don't add newline
        -v      Verbose
tc@box:/mnt/sda1/smb$

who succeed to install virtualbox in tinycore?

[Juanito]

It is looking for functionality contained in the "full-fat" version of readlink, provided by the coreutils extension - note that you will either need to re-boot, load coreutils and try again or delete the busybox symlink /bin/readlink.