sudo apt install i3

 $ sudo apt install i3

[sudo] password for dhwan: 

Reading package lists... Done

Building dependency tree       

Reading state information... Done

The following additional packages will be installed:

  dunst i3-wm i3lock i3status libanyevent-i3-perl libanyevent-perl

  libasync-interrupt-perl libcommon-sense-perl libconfuse-common libconfuse2

  libev-perl libev4 libguard-perl libjson-xs-perl libtypes-serialiser-perl

  libxcb-cursor0 libxcb-xrm0 suckless-tools

Suggested packages:

  libevent-perl libio-async-perl libpoe-perl libtask-weaken-perl dwm stterm

  surf

The following NEW packages will be installed:

  dunst i3 i3-wm i3lock i3status libanyevent-i3-perl libanyevent-perl

  libasync-interrupt-perl libcommon-sense-perl libconfuse-common libconfuse2

  libev-perl libev4 libguard-perl libjson-xs-perl libtypes-serialiser-perl

  libxcb-cursor0 libxcb-xrm0 suckless-tools

0 upgraded, 19 newly installed, 0 to remove and 21 not upgraded.

Need to get 1.930 kB of archives.

After this operation, 5.092 kB of additional disk space will be used.

Do you want to continue? [Y/n] y

Get:1 http://id.archive.ubuntu.com/ubuntu focal/universe amd64 libev4 amd64 1:4.31-1 [31,2 kB]

Get:2 http://id.archive.ubuntu.com/ubuntu focal/universe amd64 libxcb-cursor0 amd64 0.1.1-4ubuntu1 [10,5 kB]

Get:3 http://id.archive.ubuntu.com/ubuntu focal/universe amd64 libxcb-xrm0 amd64 1.0-3 [11,3 kB]

Get:4 http://id.archive.ubuntu.com/ubuntu focal/universe amd64 i3-wm amd64 4.17.1-1 [858 kB]

Get:5 http://id.archive.ubuntu.com/ubuntu focal/universe amd64 i3 amd64 4.17.1-1 [1.996 B]

Get:6 http://id.archive.ubuntu.com/ubuntu focal/universe amd64 i3lock amd64 2.11.1-1 [22,0 kB]

Get:7 http://id.archive.ubuntu.com/ubuntu focal/universe amd64 libconfuse-common all 3.2.2+dfsg-1 [5.512 B]

Get:8 http://id.archive.ubuntu.com/ubuntu focal/universe amd64 libconfuse2 amd64 3.2.2+dfsg-1 [23,7 kB]

Get:9 http://id.archive.ubuntu.com/ubuntu focal/universe amd64 i3status amd64 2.13-2 [55,8 kB]

Get:10 http://id.archive.ubuntu.com/ubuntu focal/universe amd64 libanyevent-perl amd64 7.170-1 [369 kB]

Get:11 http://id.archive.ubuntu.com/ubuntu focal/main amd64 libcommon-sense-perl amd64 3.74-2build6 [20,1 kB]

Get:12 http://id.archive.ubuntu.com/ubuntu focal/main amd64 libtypes-serialiser-perl all 1.0-1 [12,1 kB]

Get:13 http://id.archive.ubuntu.com/ubuntu focal/main amd64 libjson-xs-perl amd64 4.020-1build1 [83,7 kB]

Get:14 http://id.archive.ubuntu.com/ubuntu focal/universe amd64 libanyevent-i3-perl all 0.17-1 [11,2 kB]

Get:15 http://id.archive.ubuntu.com/ubuntu focal/universe amd64 libasync-interrupt-perl amd64 1.25-1build1 [32,6 kB]

Get:16 http://id.archive.ubuntu.com/ubuntu focal/universe amd64 libev-perl amd64 4.32-1 [241 kB]

Get:17 http://id.archive.ubuntu.com/ubuntu focal/universe amd64 libguard-perl amd64 1.023-1build5 [15,2 kB]

Get:18 http://id.archive.ubuntu.com/ubuntu focal/universe amd64 suckless-tools amd64 44-1 [53,6 kB]

Get:19 http://id.archive.ubuntu.com/ubuntu focal/universe amd64 dunst amd64 1.4.1-1 [70,7 kB]

Fetched 1.930 kB in 5s (395 kB/s) 

Selecting previously unselected package libev4:amd64.

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Setting up dunst (1.4.1-1) ...

Created symlink /etc/systemd/user/default.target.wants/dunst.service → /usr/lib/

systemd/user/dunst.service.

Setting up libev4:amd64 (1:4.31-1) ...

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Setting up i3lock (2.11.1-1) ...

Setting up i3 (4.17.1-1) ...

Setting up libanyevent-i3-perl (0.17-1) ...

Setting up i3status (2.13-2) ...

Processing triggers for desktop-file-utils (0.24-1ubuntu3) ...

Processing triggers for mime-support (3.64ubuntu1) ...

Processing triggers for gnome-menus (3.36.0-1ubuntu1) ...

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Processing triggers for bamfdaemon (0.5.3+18.04.20180207.2-0ubuntu2) ...

Rebuilding /usr/share/applications/bamf-2.index...