Ausam/doc/man/man8/val.8

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.sh NAME
val \*- alter terminal validation
.sh SYNOPSIS
.bd val
lname [\c
.bd +\c
][\c
.bd -\c
]ttys
.sh DESCRIPTION
.it Val
modifies a user's terminal permissions.
.it Lname
is the user's login name,
.it ttys
are a list of terminal groups to be added or deleted.
If a
.bd -
is present, the terminal groups are deleted from the user,
if absent, or there is a
.bd +\c
, the groups are added.
.sh FILES
.nf
/etc/passwd
/usr/include/ttygroup.h          for group definitions
.fi
.sh "SEE ALSO"
pwedit (I)