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.\"     @(#)shells.5	8.1 (Berkeley) 6/5/93
.\"
.Dd January 16, 1999
.Dt SHELLS 5
.Os
.Sh NAME
.Nm shells
.Nd shell database
.Sh DESCRIPTION
The
.Nm shells
file contains a list of the shells on the system.
It can be used in conjunction with the Hesiod domain
.Sq shells ,
and the
.Tn NIS
map
.Sq shells ,
as controlled by
.Xr nsswitch.conf 5 .
.Pp
For each shell a single line should be present, consisting of the
shell's path, relative to root.
.Pp
A hash
.Pq Dq \&#
indicates the beginning of a comment; subsequent
characters up to the end of the line are not interpreted by the
routines which search the file.
Blank lines are also ignored.
.Sh FILES
.Bl -tag -width /etc/shells -compact
.It Pa /etc/shells
The
.Nm shells
file resides in
.Pa /etc .
.El
.Sh SEE ALSO
.Xr chsh 1 ,
.Xr getusershell 3 ,
.Xr nsswitch.conf 5
.Sh HISTORY
The
.Nm
file format appeared in
.Bx 4.3 tahoe .
.Pp
The Hesiod and
.Tn NIS
support first appeared in
.Nx 1.4 .