[LINUX] etc shit - Permission Denied!!!

$ $ -rwxrwxr-- 1 root adm 3028 Feb 15 20:20 /etc/adduser.conf
$ -rwxrwxr-- 1 root adm 112 Jan 10  2014 /etc/apg.conf
$ -rwxrwxr-- 1 root adm 389 Apr 18  2016 /etc/appstream.conf
$ -rwxrwxr-- 1 root adm 23444 Apr 28  2016 /etc/brltty.conf
$ -rwxrwxr-- 1 root adm 7788 Apr  6 06:14 /etc/ca-certificates.conf
$ -rwxrwxr-- 1 root adm 2969 Nov 10  2015 /etc/debconf.conf
$ -rwxrwxr-- 1 root adm 604 Jul  2  2015 /etc/deluser.conf
$ -rwxrwxr-- 1 root adm 280 Jun 20  2014 /etc/fuse.conf
$ -rwxrwxr-- 1 root adm 331 Aug 17  2016 /etc/fwupd.conf
$ -rwxrwxr-- 1 root adm 2584 Feb 18  2016 /etc/gai.conf
$ -rwxrwxr-- 1 root adm 4781 Mar 17  2016 /etc/hdparm.conf
$ -rwxrwxr-- 1 root adm 92 Oct 22  2015 /etc/host.conf
$ -rwxrwxr-- 1 root adm 771 Mar  6  2015 /etc/insserv.conf
$ -rwxrwxr-- 1 root adm 144 Apr  6 06:17 /etc/kernel-img.conf
$ -rwxrwxr-- 1 root adm 1308 Mar 10  2016 /etc/kerneloops.conf
$ -rwxrwxr-- 1 root adm 34 Jan 27  2016 /etc/ld.so.conf
$ -rwxrwxr-- 1 root adm 27 Jan  8  2015 /etc/libao.conf
$ -rwxrwxr-- 1 root adm 191 Jan 18  2016 /etc/libaudit.conf
$ -rwxrwxr-- 1 root adm 703 May  6  2015 /etc/logrotate.conf
$ -rwxrwxr-- 1 root adm 14867 Apr 12  2016 /etc/ltrace.conf
$ -rwxrwxr-- 1 root adm 967 Oct 30  2015 /etc/mke2fs.conf
$ -rwxrwxr-- 1 root adm 624 Aug  8  2007 /etc/mtools.conf
$ -rwxrwxr-- 1 root adm 529 Apr  6 08:18 /etc/nsswitch.conf
$ -rwxrwxr-- 1 root adm 6816 Nov 29 23:13 /etc/overlayroot.conf
$ -rwxrwxr-- 1 root adm 552 Mar 16  2016 /etc/pam.conf
$ -rwxrwxr-- 1 root adm 7649 Apr  6 08:19 /etc/pnm2ppa.conf
$ -rwxrwxr-- 1 root adm 350 Apr  6 06:14 /etc/popularity-contest.conf
$ lrwxrwxrwx 1 root adm 29 Apr  6 06:08 /etc/resolv.conf -> ../run/resolvconf/resolv.conf
$ -rwxrwxr-- 1 root adm 1371 Jan 27  2016 /etc/rsyslog.conf
$ -rwxrwxr-- 1 root adm 10368 Oct  2  2015 /etc/sensors3.conf
$ -rwxrwxr-- 1 root adm 1803 Nov  6  2015 /etc/signond.conf
$ -rwxrwxr-- 1 root adm 100 Nov 25  2015 /etc/sos.conf
$ -rwxrwxr-- 1 root adm 2084 Sep  6  2015 /etc/sysctl.conf
$ -rwxrwxr-- 1 root adm 1260 Mar 16  2016 /etc/ucf.conf
$ -rwxrwxr-- 1 root adm 338 Nov 18  2014 /etc/updatedb.conf
$ -rwxrwxr-- 1 root adm 1018 Oct  5  2015 /etc/usb_modeswitch.conf
$ $