<s>
UserLAnd	B-Language
Technologies	I-Language
is	O
a	O
free	B-License
and	I-License
open-source	I-License
compatibility	B-General_Concept
layer	I-General_Concept
mobile	B-Application
app	I-Application
that	O
allows	O
Linux	B-Application
distributions	I-Application
,	O
computer	B-Application
programs	I-Application
,	O
computer	O
games	O
and	O
numerical	B-General_Concept
computing	I-General_Concept
programs	O
to	O
run	O
on	O
mobile	B-Application
devices	I-Application
without	O
requiring	O
a	O
root	B-Application
account	I-Application
.	O
</s>
<s>
UserLAnd	B-Operating_System
also	O
provides	O
a	O
program	B-Library
library	I-Library
of	O
popular	O
free	B-License
and	I-License
open-source	I-License
Linux-based	O
programs	O
to	O
which	O
additional	O
programs	O
and	O
different	O
versions	O
of	O
programs	O
can	O
be	O
added	O
.	O
</s>
<s>
The	O
name	O
"	O
UserLAnd	B-Operating_System
"	O
is	O
a	O
reference	O
to	O
the	O
concept	O
of	O
userland	B-Operating_System
in	O
modern	O
computer	O
operating	O
systems	O
.	O
</s>
<s>
Unlike	O
other	O
Linux	B-Application
compatibility	B-General_Concept
layer	I-General_Concept
mobile	B-Application
apps	I-Application
,	O
UserLAnd	B-Operating_System
does	O
not	O
require	O
a	O
root	B-Application
account	I-Application
.	O
</s>
<s>
UserLAnd	B-Operating_System
's	O
ability	O
to	O
function	O
without	O
root	B-Application
directories	I-Application
,	O
also	O
known	O
as	O
"	O
rooting	B-Application
,	O
"	O
avoids	O
"	O
bricking	O
"	O
or	O
the	O
non-functionality	O
of	O
the	O
mobile	B-Application
device	I-Application
while	O
the	O
Linux	B-Application
program	O
is	O
in	O
use	O
,	O
which	O
in	O
addition	O
to	O
making	O
the	O
mobile	B-Application
device	I-Application
non-functional	O
may	O
void	O
the	O
device	O
's	O
warranty	O
.	O
</s>
<s>
Furthermore	O
,	O
the	O
requirement	O
of	O
programs	O
other	O
than	O
UserLAnd	B-Operating_System
to	O
"	O
root	O
"	O
your	O
mobile	B-Application
device	I-Application
has	O
proven	O
a	O
formidable	O
challenge	O
for	O
inexperienced	O
Linux	B-Application
users	O
.	O
</s>
<s>
A	O
prior	O
application	O
,	O
GNURoot	O
Debian	O
,	O
attempted	O
to	O
similarly	O
run	O
Linux	B-Application
programs	O
on	O
mobile	B-Application
devices	I-Application
,	O
but	O
it	O
has	O
ceased	O
to	O
be	O
maintained	O
and	O
,	O
therefore	O
,	O
is	O
no	O
longer	O
operational	O
.	O
</s>
<s>
UserLAnd	B-Operating_System
allows	O
those	O
with	O
a	O
mobile	B-Application
device	I-Application
to	O
run	O
Linux	B-Application
programs	O
,	O
many	O
of	O
which	O
are	O
n't	O
available	O
as	O
mobile	B-Application
apps	I-Application
.	O
</s>
<s>
Even	O
for	O
those	O
Linux	B-Application
applications	O
,	O
e.g.	O
</s>
<s>
Firefox	B-Application
,	O
which	O
have	O
mobile	O
versions	O
available	O
,	O
people	O
often	O
find	O
that	O
their	O
user	O
experience	O
with	O
these	O
mobile	O
versions	O
pales	O
in	O
comparison	O
with	O
their	O
desktop	B-Device
.	O
</s>
<s>
UserLAnd	B-Operating_System
allows	O
its	O
users	O
to	O
recreate	O
that	O
desktop	B-Device
experience	O
on	O
their	O
mobile	B-Application
device	I-Application
.	O
</s>
<s>
UserLAnd	B-Operating_System
currently	O
only	O
operates	O
on	O
Android	B-Application
mobile	I-Application
devices	O
.	O
</s>
<s>
UserLAnd	B-Operating_System
is	O
available	O
for	O
download	B-Application
on	O
Google	B-Application
Play	I-Application
and	O
F-Droid	B-Application
.	O
</s>
<s>
To	O
use	O
UserLAnd	B-Operating_System
,	O
one	O
must	O
first	O
download	B-Application
–	O
typically	O
from	O
F-Droid	B-Application
or	O
the	O
Google	B-Application
Play	I-Application
Store	I-Application
–	O
the	O
application	O
and	O
then	O
install	O
it	O
.	O
</s>
<s>
When	O
a	O
program	O
is	O
selected	O
,	O
the	O
user	O
is	O
prompted	O
to	O
enter	O
login	B-General_Concept
information	O
and	O
select	O
a	O
connection	O
type	O
.	O
</s>
<s>
UserLAnd	B-Operating_System
is	O
pre-loaded	O
with	O
the	O
distributions	B-Application
Alpine	O
,	O
Arch	O
,	O
Debian	O
,	O
Kali	O
,	O
and	O
Ubuntu	B-Operating_System
;	O
the	O
web	B-Application
browser	I-Application
Firefox	B-Application
;	O
the	O
desktop	B-Device
environments	O
LXDE	B-Language
and	O
Xfce	B-Language
;	O
the	O
deployment	O
environments	O
Git	B-Application
and	O
IDLE	B-Application
;	O
the	O
text-based	O
games	O
Colossal	B-Application
Cave	I-Application
Adventure	I-Application
and	O
Zork	B-Application
;	O
the	O
numerical	B-General_Concept
computing	I-General_Concept
programs	O
gnuplot	B-Application
,	O
GNU	B-Language
Octave	I-Language
and	O
R	B-Language
;	O
the	O
office	O
suite	O
LibreOffice	B-Application
;	O
and	O
the	O
graphics	B-Application
editors	I-Application
GIMP	B-Application
and	O
Inkscape	B-Application
.	O
</s>
<s>
Further	O
Linux	B-Application
programs	O
and	O
different	O
versions	O
of	O
programs	O
may	O
be	O
added	O
to	O
this	O
program	B-Library
library	I-Library
.	O
</s>
<s>
A	O
review	O
on	O
Slant.co	O
listed	O
UserLAnd	B-Operating_System
's	O
"	O
Pro	O
's	O
"	O
:	O
support	O
for	O
VNC	B-Protocol
X	O
sessions	O
,	O
no	O
"	O
rooting	B-Application
"	O
required	O
,	O
easy	O
setup	B-Application
,	O
and	O
that	O
it	O
's	O
free	B-License
and	I-License
open-source	I-License
;	O
and	O
"	O
Con	O
's	O
"	O
:	O
its	O
lack	O
of	O
support	O
for	O
Lollipop	B-Application
and	O
the	O
difficulty	O
of	O
use	O
for	O
non-technical	O
users	O
.	O
</s>
<s>
On	O
the	O
contrary	O
,	O
OS	O
Journal	O
found	O
that	O
the	O
lack	O
of	O
a	O
need	O
to	O
"	O
root	O
"	O
your	O
mobile	B-Application
device	I-Application
made	O
using	O
UserLAnd	B-Operating_System
considerably	O
easier	O
than	O
Linux	B-Application
compatibility	B-General_Concept
layer	I-General_Concept
applications	O
,	O
a	O
position	O
shared	O
with	O
SlashGear	O
's	O
review	O
of	O
UserLAnd	B-Operating_System
.	O
</s>
<s>
OS	O
Journal	O
went	O
on	O
to	O
state	O
that	O
with	O
UserLAnd	B-Operating_System
one	O
could	O
do	O
"	O
almost	O
anything	O
"	O
and	O
"	O
you	O
’re	O
(	O
only	O
)	O
limited	O
by	O
your	O
insanity	O
"	O
with	O
respect	O
to	O
what	O
you	O
can	O
do	O
with	O
the	O
application	O
.	O
</s>
<s>
Linux	B-Application
Journal	O
stated	O
that	O
"	O
UserLAnd	B-Operating_System
offers	O
a	O
quick	O
and	O
easy	O
way	O
to	O
run	O
an	O
entire	O
Linux	B-Application
distribution	I-Application
,	O
or	O
even	O
just	O
a	O
Linux	B-Application
application	O
or	O
game	O
,	O
from	O
your	O
pocket.	O
"	O
</s>
<s>
SlashGear	O
stated	O
that	O
UserLAnd	B-Operating_System
is	O
"	O
absolutely	O
super	O
simple	O
to	O
use	O
and	O
requires	O
little	O
to	O
no	O
technical	O
knowledge	O
to	O
get	O
off	O
the	O
ground	O
running.	O
"	O
</s>
