Quote Originally Posted by itgccia View Post
I'm trying to install tree on the SLES12 SP4 but message appear with SLES12 SP4 : package 'tree' not found.
Hi and welcome to the Forum
It doesn't look like tree is present in the release, there is pstree and mtree available from SUSE Package Hub.

I have an unsupported version built on OBS and available for download;