$ ps ax | grep apt
 2857 pts/0    S+     0:00 /usr/bin/dpkg --status-fd 23 --configure libapt-inst1.5:amd64 libgcrypt11:amd64 libtasn1-6:amd64 libgnutls26:amd64 libgnutls-openssl27:amd64 libssl1.0.0:amd64 libpython3.4-minimal:amd64 python3.4-minimal:amd64 libpython3.4-stdlib:amd64 python3.4:amd64 libdrm2:amd64 libprocps3:amd64 initscripts:amd64 libcgmanager0:amd64 procps:amd64 libudev1:amd64 udev:amd64 libroken18-heimdal:amd64 libasn1-8-heimdal:amd64 libkrb5support0:amd64 libk5crypto3:amd64 libkrb5-3:amd64 libgssapi-krb5-2:amd64 libhcrypto4-heimdal:amd64 libheimbase1-heimdal:amd64 libwind0-heimdal:amd64 libhx509-5-heimdal:amd64 libkrb5-26-heimdal:amd64 libheimntlm0-heimdal:amd64 libgssapi3-heimdal:amd64 libldap-2.4-2:amd64 libcurl3-gnutls:amd64 libfuse2:amd64 fuse:amd64 libnuma1:amd64 libsystemd-daemon0:amd64 systemd-services:amd64 libpam-systemd:amd64 libparted0debian1:amd64 libsystemd-login0:amd64 libpolkit-gobject-1-0:amd64 libxext6:amd64 libfreetype6:amd64 libicu52:amd64 libpolkit-agent-1-0:amd64 libpolkit-backend-1-0:amd64 libpython2.7-minimal:amd64 python2.7-minimal:amd64 libpython2.7-stdlib:amd64 python2.7:amd64 libpython2.7:amd64 linux-image-3.13.0-61-generic:amd64 apt-utils:amd64 dh-python:all isc-dhcp-common:amd64 iproute2:amd64 isc-dhcp-client:amd64 sudo:amd64 libaccountsservice0:amd64 accountsservice:amd64 libapparmor1:amd64 libapparmor-perl:amd64 apparmor:amd64 apt-transport-https:amd64 libisc95:amd64 libdns100:amd64 libisccc90:amd64 libisccfg90:amd64 libbind9-90:amd64 liblwres90:amd64 bind9-host:amd64 dnsutils:amd64 openssl:amd64 ca-certificates:all irqbalance:amd64 krb5-locales:all parted:amd64 ppp:amd64 python3-distupgrade:all python3-update-manager:all ubuntu-release-upgrader-core:all update-manager-core:all tcpdump:amd64 uuid-runtime:amd64 grub-common:amd64 grub2-common:amd64 grub-pc-bin:amd64 grub-pc:amd64 python3-problem-report:all python3-apport:all apport:all iproute:all linux-headers-3.13.0-61:all linux-headers-3.13.0-61-generic:amd64 linux-image-virtual:amd64 linux-headers-generic:amd64 linux-headers-virtual:amd64 linux-virtual:amd64 linux-libc-dev:amd64 policykit-1:amd64 python-six:all python-urllib3:all python-requests:all unattended-upgrades:all cloud-guest-utils:all cloud-init:all gdisk:amd64 grub-legacy-ec2:all overlayroot:all
 7336 pts/1    T      0:00 sudo tailf /var/log/apt/term.log
 7337 pts/1    T      0:00 tailf /var/log/apt/term.log
 9459 pts/1    S+     0:00 grep --color=auto apt
14715 pts/0    S+     0:00 /bin/sh -c apt-get update && apt-get -y dist-upgrade
14737 pts/0    S+     4:05 apt-get -y dist-upgrade