Document (PostScript, PDF) viewer

evince

Document (PostScript, PDF) viewer

Evince is a simple multi-page document viewer. It can display and print PostScript (PS), Encapsulated PostScript (EPS), DjVu, DVI, Portable Document Format (PDF) and XML Paper Specification (XPS) files. When supported by the document, it also allows searching for text, copying text to the clipboard, hypertext navigation, and table-of-contents bookmarks.
Full-featured font preview application for GTK Environments

font-viewer

Full-featured font preview application for GTK Environments

Font Manager is intended to provide a way for average users to easily manage desktop fonts, without having to resort to command line tools or editing configuration files by hand. While designed primarily with the GNOME Desktop Environment in mind, it should work well with other Gtk+ desktop environments.
Thunar extension for Font Manager

thunar-font-manager

Thunar extension for Font Manager

Font Manager is intended to provide a way for average users to easily manage desktop fonts, without having to resort to command line tools or editing configuration files by hand. While designed primarily with the GNOME Desktop Environment in mind, it should work well with other Gtk+ desktop environments.
simple top-like I/O monitor (implemented in C)

iotop-c

simple top-like I/O monitor (implemented in C)

iotop-c does for I/O usage what top(1) does for CPU usage. It watches I/O usage information output by the Linux kernel and displays a table of current I/O usage by processes on the system. It is handy for answering the question "Why is the disk churning so much?".
KDE Integrated LaTeX Environment

kile

KDE Integrated LaTeX Environment

Kile is a user-friendly LaTeX source editor and TeX shell for KDE.
cat /var/log/boot.log -- to write to the logfile even__2_from_2

bootlogd

daemon to log boot messages

bootlogd logs all messages printed to the system console during system boot, and records those messages to a logfile.