Change file permissions via ssh?

Unfortunately, I have a few files on my EX2 that have admin privileges only. I want to make these open to other users. After reading the community pages here (Problem with File Attributes Permission on WD My Cloud EX2 - #5 by andrelmsantos), it became known to me that I would need to use ssh to do this.

I am using Ubuntu Linux and have used the ssh command “ssh -o HostKeyAlgorithms=+ssh-dss sshd@192.168.0.4”. This gets me into an ssh session. However, once I am there, it is a pretty limited session where chmod does not appear to be an available command–even ‘ls’ is not available. I am quite confused as to how I might change permissions on a file without chmod.

When I type the ‘help’ command, I get a list of commands that are available; as shown pasted below.

. : [ [[ alias bg break cd chdir command continue echo eval exec
exit export false fg getopts hash help jobs kill local printf
pwd read readonly return set shift source test times trap true
type ulimit umask unalias unset wait

what do you get when you type “busybox”
I believed all the commands that use for WD NAS should be list when you type “busybox”

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Yes, thanks for that information. I used '/bin/busybox ls" to list files and ‘/bin/busybox chmod’ to change permissions.