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Improve TTYGROUP description in login.defs manpage

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Closes #457

The existing prose was confusing, or simply wrong.  Make it clear
that only the group ownership of the tty is affected, and how.
Also move the paragraph about defaults after the discussion of
acceptable TTYGROUPs, as this seems more natural.

Signed-off-by: Serge Hallyn <serge@hallyn.com>
This commit is contained in:
Serge Hallyn 2023-02-02 12:27:23 -06:00
parent 1f6f1669cf
commit 1058872a0b
1 changed files with 6 additions and 5 deletions
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11
man/login.defs.d/TTYGROUP.xml
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@ -13,15 +13,16 @@
<option>TTYGROUP</option> group, and the permissions will be set to <option>TTYGROUP</option> group, and the permissions will be set to
<option>TTYPERM</option>. <option>TTYPERM</option>.
</para> </para>
<para>
By default, the ownership of the terminal is set to the user's
primary group and the permissions are set to
<replaceable>0600</replaceable>.
</para>
<para> <para>
<option>TTYGROUP</option> can be either the name of a group or a <option>TTYGROUP</option> can be either the name of a group or a
numeric group identifier. numeric group identifier.
</para> </para>
<para>
If TTYGROUP is not defined, then the group ownership of the terminal is
set to the user's primary group. If TTYPERM is not defined, then the
permissions are set to
<replaceable>0600</replaceable>.
</para>
<para> <para>
If you have a <command>write</command> program which is "setgid" to If you have a <command>write</command> program which is "setgid" to
a special group which owns the terminals, define TTYGROUP to the a special group which owns the terminals, define TTYGROUP to the