I have a Ubuntu 20.04.2 LTS, i neaad to install Korn sh package but a problem occured when i try to launch the following command: sudo apt-get update before installing the ksh package.
Here is the result of the command:
#sudo apt-get update
E: Malformed entry 3 in list file /etc/apt/sources.list (URI parse)
E: The list of sources could not be read.
The contents of the file /etc/apt/sources.list
:
cat /etc/apt/sources.list
# See http://help.ubuntu.com/community/UpgradeNotes for how to upgrade to
# newer versions of the distribution.
deb focal main restricted
# deb-src focal main restricted
## Major bug fix updates produced after the final release of the
## distribution.
deb focal-updates main restricted
# deb-src focal-updates main restricted
## N.B. software from this repository is ENTIRELY UNSUPPORTED by the Ubuntu
## team. Also, please note that software in universe WILL NOT receive any
## review or updates from the Ubuntu security team.
deb focal universe
# deb-src focal universe
deb focal-updates universe
# deb-src focal-updates universe
Could you please tell me where is the line 3 that is issued and help me to fix the problem on it please?