FINAL
TRIM
SIZE
:
7.0
in
x
8.5
in
4
Shell
Features
Belo
w
are
listed
some
of
the
features
whic
h
may
help
y
ou
make
a
decision
on
whic
h
shell
w
ould
b e
b est
for
the
kind
of
w
ork
y
ou
are
doing:
T
able
4-1.
Comparison
of
Shell
Features
F
eatures
Description
Bourne
P
osix,
Korn,
Key
C
Command
history
A
feature
allowing
commands
to
b e
stored
in
a
buer,
then
mo
died
and
reused.
No
Y
es
Y
es
Line
editing
The
abilit y
to
mo
dify
the
curren
t
or
previous
command
lines
with
a
text
editor.
No
Y
es
No
File
name
completion
The
abilit y
to
automatically
nish
t
yping
le
names
in
command
lines.
No
Y
es
Y
es
alias
command
A
feature
allowing
users
to
rename
commands,
automatically
include
command
options,
or
abbreviate
long
command
lines.
No
Y
es
Y
es
Restricted
shells
A
securit
y
feature
pro
viding
a
con
trolled
en
vironment
with
limited
capabilities.
Y
es
Y
es
(Not
Posix
Shel
l)
No
Job
con
trol
T
o ols
for
trac
king
and
accessing
pro cesses
that
run
in
the
bac
kground.
Se
e
Shel
ls:
User's
Guide
No
Y
es
Y
es
4-4
Using
the
Command
Line
DRAFT
2/5/97
11:31
