tk@FatBOB:~$ sudo apt update
[sudo] password for tk:
E: Could not get lock /var/lib/apt/lists/lock - open (11: Resource temporarily unavailable)
E: Unable to lock directory /var/lib/apt/lists/
E: Could not get lock /var/lib/dpkg/lock - open (11: Resource temporarily unavailable)
E: Unable to lock the administration directory (/var/lib/dpkg/), is another process using it?
tk@FatBOB:~$ sudo apt-get install update
E: Could not get lock /var/lib/dpkg/lock - open (11: Resource temporarily unavailable)
E: Unable to lock the administration directory (/var/lib/dpkg/), is another process using it?
tk@FatBOB:~$ sudo apt-get install update
Reading package lists... Done
Building dependency tree
Reading state information... Done
E: Unable to locate package update
tk@FatBOB:~$ cls
No command 'cls' found, but there are 18 similar ones
cls: command not found
tk@FatBOB:~$ clearscreen
clearscreen: command not found
tk@FatBOB:~$ clear

tk@FatBOB:~$ sudo apt update
Ign http://archive.ubuntu.com trusty InRelease
Ign http://extras.ubuntu.com trusty InRelease
Get:1 http://archive.ubuntu.com trusty Release.gpg [933 B]
Hit http://extras.ubuntu.com trusty Release.gpg
Get:2 http://archive.ubuntu.com trusty Release [58,5 kB]
Hit http://extras.ubuntu.com trusty Release
Hit http://extras.ubuntu.com trusty/main Sources
Hit http://extras.ubuntu.com trusty/main amd64 Packages
Get:3 http://archive.ubuntu.com trusty/main amd64 Packages [1 350 kB]
Hit http://extras.ubuntu.com trusty/main i386 Packages
Ign http://extras.ubuntu.com trusty/main Translation-en_US
Ign http://extras.ubuntu.com trusty/main Translation-en
Get:4 http://archive.ubuntu.com trusty/restricted amd64 Packages [13,0 kB]
Get:5 http://archive.ubuntu.com trusty/universe amd64 Packages [5 859 kB]
Get:6 http://archive.ubuntu.com trusty/multiverse amd64 Packages [132 kB]
Get:7 http://archive.ubuntu.com trusty/main i386 Packages [1 348 kB]
Get:8 http://archive.ubuntu.com trusty/restricted i386 Packages [13,4 kB]
Get:9 http://archive.ubuntu.com trusty/universe i386 Packages [5 866 kB]
Get:10 http://archive.ubuntu.com trusty/multiverse i386 Packages [134 kB]
Get:11 http://archive.ubuntu.com trusty/main Translation-en [762 kB]
Get:12 http://archive.ubuntu.com trusty/multiverse Translation-en [102 kB]
Get:13 http://archive.ubuntu.com trusty/restricted Translation-en [3 457 B]
Get:14 http://archive.ubuntu.com trusty/universe Translation-en [4 089 kB]
Ign http://archive.ubuntu.com trusty/main Translation-en_US
Ign http://archive.ubuntu.com trusty/multiverse Translation-en_US
Ign http://archive.ubuntu.com trusty/restricted Translation-en_US
Ign http://archive.ubuntu.com trusty/universe Translation-en_US
Fetched 19,7 MB in 24s (817 kB/s)
Reading package lists... Done
tk@FatBOB:~$ sudo apt upgrade
Reading package lists... Done
Building dependency tree
Reading state information... Done
Calculating upgrade... Done
The following packages were automatically installed and are no longer required:
  libevent-2.0-5 libnatpmp1 transmission-common
Use 'apt-get autoremove' to remove them.
The following packages have been kept back:
  steam:i386
0 upgraded, 0 newly installed, 0 to remove and 1 not upgraded.
tk@FatBOB:~$