HP 382 - Page 45

FINAL TRIM SIZE : 7.5 in x 9.0 in
4
Determining
Y
our
Login
Shell
The
command
echo
$SHELL
displays
the le
name of
the shell
y
ou
en
tered
when
you
logged
in.
$echo
$SHELL
/bin/sh
$
T
emporarily
Changing
Y
our
Shell
Unless
y
ou
are
in
a
restricted
shell,
y
ou
can
temp
orarily c
hange
y
our
shell
b
y
using
this
command:
shel
l
name
where
shel
l
name
is
the
name
of
the
shell
(for
example,
sh
,
ksh
,
or
keysh
).
T
emp
orarily
c
hanging
y
our
shell
lets
y
ou
exp
erimen
t
in
other
shells. By
typing
the name
of
the
shell
y
ou
w
an
t
to
run,
y
ou
invoke
(en
ter)
that
shell,
and
the
correct
prompt
is
displa
y
ed.
After
experimen
ting
in
the
new
shell,
return
to
y
our
original
shell
b
y
t
yping
either
exit
or
4
CTRL
5
-
4
D
5
.
P
ermanently
Changing
Your
Shell
T
op
ermanently
c
hange
y
our
lo
gin
shel
l
(the
default
shell
y
ou
get
when
y
ou
log
in),
use
the
chsh
ch
ange
sh
ell)
command:
chsh
username
shel
l
p
ath
name
where
username
is
y
our user
name and
shel l
p
ath
name
is
the
full
path name
(e.g.,
/bin/ksh
)
of
the
shell
y
ou
w
an
t
as
y
our default.
After y
ou use
the
chsh
command,
you
must
log
out
and
log
in
again
for
the
c
hange
to
take
eect.
F
or
example,
if
terry
c
hanges
the
default
login
shell
to the
Korn
Shell,
the
command reads:
$ chsh terry /bin/ksh
$
Using the Command Line 4-5