This frontend requires a controlling tty.

Dialog frontend is incompatible with emacs shell buffers

The mail frontend needs a installed 'sendmail', using pager

TERM is not set, so the dialog frontend is not usable.

Dialog frontend requires a screen at least 13 lines tall and 31 columns wide.

No usable dialog like program is installed, so the dialog based frontend cannot be used.

Dialog frontend will not work on a dumb terminal, an emacs shell buffer, or without a controlling terminal.

You are using the editor based debconf frontend to configure your system. See the end of this document for detailed instructions.

User memory contents can be changed or erased by the user.

End user

User Applications

a user

User function

Build peace with justice. By Flickr user Indira.cornelio user. Used with permission.

User memory (RAM) The store where numbers can be stored by the user.

User requested interrupt.

Manage user accounts

User Laoxu echoed

User defined signal 1

User defined signal 2

By Flickr user teokaye.

LJ user Neoliberal2 wrote

Twitter user kbyeongchae tweeted

This Twitter user writes

A Facebook user commented

Another Twitter user added

Another Vkontakte user wrote

In this post a Facebook user criticizes another user for writing posts stupidly for likes and comments .

It's actually quite user unfriendly.

Change your own user data

Image by Twitter user adamakary.

Image by Twitter user ahmedj85.

Image by Twitter user Kareemasaeed.

Photo by Clashot user Volye101.

Photo by flickr user y.ganden.

Photo source Twitter user mohsinani

Another user tries to reason

Photo by Flickr user jayneandd.

Photo by Flickr user armandolobos.

Photo by Flickr user EcoSikh.

Photo by Flickr user lepetitNicolas.

Photo by Flickr user weegeebored.

Facebook user HoneyJam Barbados posted

Photo from Flickr user Abdallah.

A4.3.14.6 Special precautions for user