How to list symbolic link chains?
ref: https://serverfault.com/questions/115856/how-to-list-symbolic-link-chains
$ namei d
f: d
l d -> c
l c -> b
l b -> a
d a
ref: https://serverfault.com/questions/115856/how-to-list-symbolic-link-chains
$ namei d
f: d
l d -> c
l c -> b
l b -> a
d a