root@pentest-OptiPlex-3010:~# apt-get install lrzsz

Reading package lists... Done

Building dependency tree

Reading state information... Done

The following packages were automatically installed and are no longer required:

  linux-headers-4.4.0-87 linux-headers-4.4.0-87-generic linux-headers-4.4.0-89 linux-headers-4.4.0-89-generic linux-image-4.4.0-87-generic

  linux-image-4.4.0-89-generic linux-image-extra-4.4.0-87-generic linux-image-extra-4.4.0-89-generic

Use 'sudo apt autoremove' to remove them.

Suggested packages:

  minicom

The following NEW packages will be installed:

  lrzsz

0 upgraded, 1 newly installed, 0 to remove and 258 not upgraded.

Need to get 0 B/73.8 kB of archives.

After this operation, 265 kB of additional disk space will be used.

Selecting previously unselected package lrzsz.

(Reading database ... 307798 files and directories currently installed.)

Preparing to unpack .../lrzsz_0.12.21-8_amd64.deb ...

Unpacking lrzsz (0.12.21-8) ...

Processing triggers for man-db (2.7.5-1) ...

Setting up lrzsz (0.12.21-8) ...