# lsattr /usr/
----------I--e- /usr/lib64
----------I--e- /usr/bin
-------------e- /usr/libexec
----i--------e- /usr/include
lsattr: Operation not supported While reading flags on /usr/tmp
----i--------e- /usr/lib
-------------e- /usr/share
----i-----I--e- /usr/sbin
-------------e- /usr/games
-------------e- /usr/local
-------------e- /usr/etc
-------------e- /usr/src
# chattr -i -R /usr