root@localhost:~# apt-get update
Get:1 http://ftp.us.debian.org stable InRelease [128 kB]
Get:2 http://security.debian.org wheezy/updates InRelease [104 kB]
Get:3 http://ftp.debian.org wheezy-updates InRelease [125 kB]
Get:4 http://security.debian.org wheezy/updates/main amd64 Packages [309 kB]
Get:5 http://ftp.us.debian.org stable/main amd64 Packages [6,765 kB]
Get:6 http://security.debian.org wheezy/updates/contrib amd64 Packages [14 B]
Get:7 http://ftp.debian.org wheezy-updates/main amd64 Packages [5,593 B]
Get:8 http://security.debian.org wheezy/updates/non-free amd64 Packages [14 B]
Get:9 http://security.debian.org wheezy/updates/main i386 Packages [311 kB]
Get:10 http://ftp.debian.org wheezy-updates/contrib amd64 Packages [14 B]
Get:11 http://ftp.debian.org wheezy-updates/non-free amd64 Packages [14 B]
Get:12 http://security.debian.org wheezy/updates/contrib i386 Packages [14 B]
Get:13 http://security.debian.org wheezy/updates/non-free i386 Packages [14 B]
Get:14 http://ftp.debian.org wheezy-updates/main i386 Packages [5,599 B]
Get:15 http://security.debian.org wheezy/updates/contrib Translation-en [523 B]
Get:16 http://security.debian.org wheezy/updates/main Translation-en [175 kB]
Get:17 http://ftp.debian.org wheezy-updates/contrib i386 Packages [14 B]
Get:18 http://security.debian.org wheezy/updates/non-free Translation-en [14 B]
Get:19 http://ftp.debian.org wheezy-updates/non-free i386 Packages [14 B]
Get:20 http://ftp.debian.org wheezy-updates/contrib Translation-en [14 B]
Get:21 http://ftp.debian.org wheezy-updates/main Translation-en [3,814 B]
Get:22 http://ftp.debian.org wheezy-updates/non-free Translation-en [14 B]
Get:23 http://ftp.us.debian.org stable/contrib amd64 Packages [50.1 kB]
Get:24 http://ftp.us.debian.org stable/non-free amd64 Packages [83.6 kB]
Get:25 http://ftp.us.debian.org stable/main i386 Packages [6,768 kB]
Get:26 http://ftp.us.debian.org stable/contrib i386 Packages [49.6 kB]
Get:27 http://ftp.us.debian.org stable/non-free i386 Packages [79.7 kB]
Get:28 http://ftp.us.debian.org stable/contrib Translation-en [38.4 kB]
Get:29 http://ftp.us.debian.org stable/main Translation-en [4,585 kB]
Get:30 http://ftp.us.debian.org stable/non-free Translation-en [72.2 kB]
Fetched 19.7 MB in 6s (3,170 kB/s)
Reading package lists... Done
root@localhost:~# apt-get upgrad
E: Invalid operation upgrad
root@localhost:~# apt-get upgrade
Reading package lists... Done
Building dependency tree
Reading state information... Done
Calculating upgrade... The following package was automatically installed and is no longer required:
  libldns1
Use 'apt-get autoremove' to remove it.
Done
The following packages have been kept back:
  acpid apache2 apache2-mpm-prefork apache2-utils apache2.2-bin
  apache2.2-common apt-utils aptitude aptitude-common at base-passwd bind9
  bind9-host bind9utils bsdutils cron curl db5.1-util dictionaries-common
  dmsetup dnsutils dpkg fail2ban fakeroot fontconfig-config initramfs-tools
  initscripts iproute iptables iputils-ping isc-dhcp-client isc-dhcp-common
  libalgorithm-diff-xs-perl libapache2-mod-perl2 libapache2-mod-php5
  libapache2-mod-python libapache2-mod-rpaf libaprutil1
  libaprutil1-dbd-sqlite3 libaprutil1-ldap libbsd-resource-perl libcurl3
  libcurl3-gnutls libdbd-mysql-perl libdbi-perl libdevmapper-event1.02.1
  libdevmapper1.02.1 libffi-dev libfile-fcntllock-perl libfontconfig1
  libglib2.0-0 libgpgme11 libhtml-parser-perl libhttp-message-perl
  libio-socket-ssl-perl libldap-2.4-2 liblocale-gettext-perl libmailtools-perl
  libnet-ssleay-perl libp11-kit0 libpam-modules libpam-modules-bin libpam0g
  libpam0g-dev libphp5-embed libpython2.7 libsasl2-2 libsemanage-common
  libsemanage1 libsocket-perl libssh2-1 libtext-charwidth-perl
  libtext-iconv-perl libusb-1.0-0 libuuid-perl libxml-parser-perl
  libxmlrpc-core-c3 libxslt1.1 linux-image-amd64 login lvm2 mailman mount mutt
  openssh-client openssh-server openvpn passwd perl perl-base perl-modules
  php5-cgi php5-cli php5-common php5-curl php5-gd php5-imap php5-mysql
  php5-sqlite php5-xsl postfix postfix-pcre procps python python-chardet
  python-debian python-dev python-minimal python-openssl python-pip
  python-pkg-resources python-reportbug python-setuptools python-soappy
  python2.7 python2.7-dev python2.7-minimal reportbug rsyslog shared-mime-info
  sudo sysv-rc sysvinit sysvinit-utils texinfo ttf-dejavu-core udev util-linux
  util-linux-locales webalizer wget xsltproc
0 upgraded, 0 newly installed, 0 to remove and 132 not upgraded.