.TH readonly "" "" Command
.PC "Mark a shell variable as read only"
\fBreadonly\fR
.PP
Mark each
.I variable
as a read-only shell variable.
The shell will not permit subsequent assignments to a readonly variable.
With no arguments,
.B readonly
prints the name and value of each read-only variable.
.SH "See Also"
.Xr "commands," commands
.Xr "ksh," ksh
.Xr "sh" sh
