1. Applications: A | B | C | D | E | F | G | H | I | J | K | L | M | N | O | P | Q | R | S | T | U | V | W | X | Y | Z 

echo - display a line of text
ed
egrep
eject - eject removable media
emacs - GNU project Emacs
enable
enc2xs - - Perl Encode Module Generator
env - run a program in a modified environment
eps2eps
epsffit - fit encapsulated PostScript file (EPSF) into constrained size
eqn - format equations for troff
eqn2graph - convert an EQN equation into a cropped image
escputil - maintain Epson Stylus inkjet printers
etags
eval
evolution
ex - Vi IMproved, a programmers text editor
exec
exit
expand - convert tabs to spaces
export
expr - evaluate expressions
extractres - filter to extract resources from a PostScript document
eyuvtoppm - convert a Berkeley YUV file to a portable pixmap (ppm) file