if (geteuid () != 0)

  if (geteuid () != 0)

    {

    {

      printf ("It seems you don't have access to add a new user.  Try\n");

      printf ("It seems you don't have access to add a new user.  Try\n");

      exit (1);

      exit (1);

    }

    }

#define EXIT_SUCCESS		0	/* success */

#define EXIT_SUCCESS		0	/* success */

#define EXIT_USAGE		1	/* invalid command syntax */

#define EXIT_USAGE		1	/* invalid command syntax */

#define EXIT_GROUP_FILE		2	/* group file access problems */

#define EXIT_GROUP_FILE		2	/* group file access problems */

#define EXIT_NOT_PRIMARY	5	/* not primary owner of group  */

#define EXIT_NOT_PRIMARY	5	/* not primary owner of group  */

#define EXIT_NOT_MEMBER		6	/* member of group does not exist */

#define EXIT_NOT_MEMBER		6	/* member of group does not exist */

#define EXIT_MEMBER_EXISTS	7	/* member of group already exists */

#define EXIT_MEMBER_EXISTS	7	/* member of group already exists */

[\fB-g\fI group_name \fR]

[\fB-g\fI group_name \fR]

X.SH DESCRIPTION

X.SH DESCRIPTION

The \fBgroupmems\fR utility allows a user to administer his/her own

The \fBgroupmems\fR utility allows a user to administer his/her own

The \fBgroupmems\fR utility is for systems that configure its users to

The \fBgroupmems\fR utility is for systems that configure its users to

be in their own name sake primary group (i.e., guest / guest).

be in their own name sake primary group (i.e., guest / guest).

X.P

X.P

the memberships of other groups.

the memberships of other groups.

X.IP "\fB-a \fIuser_name\fR"

X.IP "\fB-a \fIuser_name\fR"

Add a new user to the group membership list.

Add a new user to the group membership list.

X.IP "\fB-D\fR"

X.IP "\fB-D\fR"

Delete all users from the group membership list.

Delete all users from the group membership list.

X.IP "\fB-g \fIgroup_name\fR"

X.IP "\fB-g \fIgroup_name\fR"

X.SH SETUP

X.SH SETUP

The \fBgroupmems\fR executable should be in mode \fB2770\fR as user \fBroot\fR

The \fBgroupmems\fR executable should be in mode \fB2770\fR as user \fBroot\fR

and in group \fBgroups\fR.   The system administrator can add users to

and in group \fBgroups\fR.   The system administrator can add users to

      </citerefentry> and similar programs. A normal user may only change

      </citerefentry> and similar programs. A normal user may only change

      the fields for her own account, subject to the restrictions in

      the fields for her own account, subject to the restrictions in

      <filename>/etc/login.defs</filename>. (The default configuration is to

      <filename>/etc/login.defs</filename>. (The default configuration is to

      the <option>-o</option> option to change the undefined portions of the

      the <option>-o</option> option to change the undefined portions of the

      GECOS field.

      GECOS field.

    </para>

    </para>

    <para>

    <para>

      The <command>chsh</command> command changes the user login shell.

      The <command>chsh</command> command changes the user login shell.

      This determines the name of the user's initial login command. A normal

      This determines the name of the user's initial login command. A normal

    </para>

    </para>

  </refsect1>

  </refsect1>

    <para>

    <para>

      The only restriction placed on the login shell is that the command

      The only restriction placed on the login shell is that the command

      name must be listed in <filename>/etc/shells</filename>, unless the

      name must be listed in <filename>/etc/shells</filename>, unless the

      account with a restricted login shell may not change her login shell.

      account with a restricted login shell may not change her login shell.

      For this reason, placing <filename>/bin/rsh</filename> in

      For this reason, placing <filename>/bin/rsh</filename> in

      <filename>/etc/shells</filename> is discouraged since accidentally

      <filename>/etc/shells</filename> is discouraged since accidentally

    <title>DESCRIPTION</title>

    <title>DESCRIPTION</title>

    <para>

    <para>

      The <command>groupmems</command> command allows a user to administer

      The <command>groupmems</command> command allows a user to administer

      systems that configure its users to be in their own name sake primary

      systems that configure its users to be in their own name sake primary

      group (i.e., guest / guest).

      group (i.e., guest / guest).

    </para>

    </para>

      <command>groupmems</command> to alter the memberships of other groups.

      <command>groupmems</command> to alter the memberships of other groups.

    </para>

    </para>

  </refsect1>

  </refsect1>

      <varlistentry>

      <varlistentry>

	<term><option>-g</option> <replaceable>group_name</replaceable></term>

	<term><option>-g</option> <replaceable>group_name</replaceable></term>

	<listitem>

	<listitem>

	    list to modify.

	    list to modify.

	  </para>

	  </para>

	</listitem>

	</listitem>

    <para>

    <para>

      The <command>passwd</command> command changes passwords for user accounts.

      The <command>passwd</command> command changes passwords for user accounts.

      A normal user may only change the password for his/her own account, while

      A normal user may only change the password for his/her own account, while

      <command>passwd</command> also changes account information, such as

      <command>passwd</command> also changes account information, such as

      the full name of the user, the user's login shell, or his/her password

      the full name of the user, the user's login shell, or his/her password

      expiry date and interval.

      expiry date and interval.

	The user is first prompted for his/her old password, if one is

	The user is first prompted for his/her old password, if one is

	present. This password is then encrypted and compared against the

	present. This password is then encrypted and compared against the

	stored password. The user has only one chance to enter the correct

	stored password. The user has only one chance to enter the correct

	forgotten passwords may be changed.

	forgotten passwords may be changed.

      </para>

      </para>

  <refsect1 id='caveats'>

  <refsect1 id='caveats'>

    <title>CAVEATS</title>

    <title>CAVEATS</title>

    <para>

    <para>

      shadow password file is restricted.

      shadow password file is restricted.

    </para>

    </para>

  </refsect1>

  </refsect1>

  </refmeta>

  </refmeta>

  <refnamediv id='name'>

  <refnamediv id='name'>

    <refname>su</refname>

    <refname>su</refname>

  </refnamediv>

  </refnamediv>

  <refsynopsisdiv id='synopsis'>

  <refsynopsisdiv id='synopsis'>

    <cmdsynopsis>

    <cmdsynopsis>

      The <command>su</command> command is used to become another user during

      The <command>su</command> command is used to become another user during

      a login session. Invoked without a <option>username</option>, 

      a login session. Invoked without a <option>username</option>, 

      <command>su</command> defaults to

      <command>su</command> defaults to

      be used to provide an environment similar to what the user would

      be used to provide an environment similar to what the user would

      expect had the user logged in directly.

      expect had the user logged in directly.

    </para>

    </para>

      The current environment is passed to the new shell. The value of

      The current environment is passed to the new shell. The value of

      <envar>$PATH</envar> is reset to <filename>/bin:/usr/bin</filename>

      <envar>$PATH</envar> is reset to <filename>/bin:/usr/bin</filename>

      for normal users, or <filename>/sbin:/bin:/usr/sbin:/usr/bin</filename>

      for normal users, or <filename>/sbin:/bin:/usr/sbin:/usr/bin</filename>

      <emphasis>ENV_PATH</emphasis> and <emphasis>ENV_SUPATH</emphasis>

      <emphasis>ENV_PATH</emphasis> and <emphasis>ENV_SUPATH</emphasis>

      definitions in <filename>/etc/login.defs</filename>.

      definitions in <filename>/etc/login.defs</filename>.

    </para>

    </para>

# “(shadow) group file”...............: «file dei gruppi (shadow)»

# “(shadow) group file”...............: «file dei gruppi (shadow)»

# “shadow password”...................: «shadow password»

# “shadow password”...................: «shadow password»

# “(shadow) password file”............: «file delle (shadow) password»

# “(shadow) password file”............: «file delle (shadow) password»

# “user name”.........................: «nome utente»

# “user name”.........................: «nome utente»

#

#

msgid ""

msgid ""

#define EXIT_SUCCESS		0	/* success */

#define EXIT_SUCCESS		0	/* success */

#define EXIT_USAGE		1	/* invalid command syntax */

#define EXIT_USAGE		1	/* invalid command syntax */

#define EXIT_GROUP_FILE		2	/* group file access problems */

#define EXIT_GROUP_FILE		2	/* group file access problems */

#define EXIT_NOT_PRIMARY	5	/* not primary owner of group  */

#define EXIT_NOT_PRIMARY	5	/* not primary owner of group  */

#define EXIT_NOT_MEMBER		6	/* member of group does not exist */

#define EXIT_NOT_MEMBER		6	/* member of group does not exist */

#define EXIT_MEMBER_EXISTS	7	/* member of group already exists */

#define EXIT_MEMBER_EXISTS	7	/* member of group already exists */