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+<!DOCTYPE HTML PUBLIC "-//Norman Walsh//DTD DocBook HTML 1.0//EN">
+<HTML
+><HEAD
+><TITLE
+>Changing user properties</TITLE
+><META
+NAME="GENERATOR"
+CONTENT="Modular DocBook HTML Stylesheet"><LINK
+REL="HOME"
+TITLE="The Linux System Administrators' Guide"
+HREF="book1.html"><LINK
+REL="UP"
+TITLE="Managing user accounts"
+HREF="c2018.html"><LINK
+REL="PREVIOUS"
+TITLE="Creating a user"
+HREF="x2031.html"><LINK
+REL="NEXT"
+TITLE="Removing a user"
+HREF="x2152.html"></HEAD
+><BODY
+BGCOLOR="#FFFFFF"
+TEXT="#000000"
+><DIV
+CLASS="NAVHEADER"
+><TABLE
+WIDTH="100%"
+BORDER="0"
+CELLPADDING="0"
+CELLSPACING="0"
+><TR
+><TH
+COLSPAN="3"
+ALIGN="center"
+>The Linux System Administrators' Guide</TH
+></TR
+><TR
+><TD
+WIDTH="10%"
+ALIGN="left"
+VALIGN="bottom"
+><A
+HREF="x2031.html"
+>Prev</A
+></TD
+><TD
+WIDTH="80%"
+ALIGN="center"
+VALIGN="bottom"
+>Chapter 9. Managing user accounts</TD
+><TD
+WIDTH="10%"
+ALIGN="right"
+VALIGN="bottom"
+><A
+HREF="x2152.html"
+>Next</A
+></TD
+></TR
+></TABLE
+><HR
+ALIGN="LEFT"
+WIDTH="100%"></DIV
+><DIV
+CLASS="SECT1"
+><H1
+CLASS="SECT1"
+><A
+NAME="AEN2124"
+>Changing user properties</A
+></H1
+><P
+> There are a few commands for changing various
+ properties of an account (i.e., the relevant field
+ in <TT
+CLASS="FILENAME"
+>/etc/passwd</TT
+>):
+
+ <DIV
+CLASS="GLOSSLIST"
+><DL
+><DT
+><B
+><B
+CLASS="COMMAND"
+>chfn</B
+></B
+></DT
+><DD
+><P
+> Change the full name field.
+ </P
+></DD
+><DT
+><B
+><B
+CLASS="COMMAND"
+>chsh</B
+></B
+></DT
+><DD
+><P
+> Change the login shell.
+ </P
+></DD
+><DT
+><B
+><B
+CLASS="COMMAND"
+>passwd</B
+></B
+></DT
+><DD
+><P
+>Change the password.
+ </P
+></DD
+></DL
+></DIV
+>
+
+ The super-user may use these commands to change the properties
+ of any account. Normal users can only change the properties
+ of their own account. It may sometimes be necessary to disable
+ these commands (with <B
+CLASS="COMMAND"
+>chmod</B
+>) for normal users,
+ for example in an environment with many novice users. </P
+><P
+> Other tasks need to be done by hand. For example, to
+ change the username, you need to edit <TT
+CLASS="FILENAME"
+>/etc/passwd</TT
+>
+ directly (with <B
+CLASS="COMMAND"
+>vipw</B
+>, remember). Likewise, to add
+ or remove the user to more groups, you need to edit
+ <TT
+CLASS="FILENAME"
+>/etc/group</TT
+> (with <B
+CLASS="COMMAND"
+>vigr</B
+>). Such tasks tend to
+ be rare, however, and should be done with caution: for
+ example, if
+ you change the username, e-mail will no longer reach the
+ user, unless you also create a mail alias.
+
+ <A
+NAME="AEN2150"
+HREF="#FTN.AEN2150"
+>[1]</A
+>
+
+ </P
+></DIV
+><H3
+>Notes</H3
+><TABLE
+BORDER="0"
+CLASS="FOOTNOTES"
+WIDTH="100%"
+><TR
+><TD
+ALIGN="LEFT"
+VALIGN="TOP"
+WIDTH="5%"
+><A
+NAME="FTN.AEN2150"
+HREF="x2124.html#AEN2150"
+>[1]</A
+></TD
+><TD
+ALIGN="LEFT"
+VALIGN="TOP"
+WIDTH="95%"
+><P
+>The user's name might change due to
+ marriage, for example, and he might want to have his
+ username reflect his new name.} </P
+></TD
+></TR
+></TABLE
+><DIV
+CLASS="NAVFOOTER"
+><HR
+ALIGN="LEFT"
+WIDTH="100%"><TABLE
+WIDTH="100%"
+BORDER="0"
+CELLPADDING="0"
+CELLSPACING="0"
+><TR
+><TD
+WIDTH="33%"
+ALIGN="left"
+VALIGN="top"
+><A
+HREF="x2031.html"
+>Prev</A
+></TD
+><TD
+WIDTH="34%"
+ALIGN="center"
+VALIGN="top"
+><A
+HREF="book1.html"
+>Home</A
+></TD
+><TD
+WIDTH="33%"
+ALIGN="right"
+VALIGN="top"
+><A
+HREF="x2152.html"
+>Next</A
+></TD
+></TR
+><TR
+><TD
+WIDTH="33%"
+ALIGN="left"
+VALIGN="top"
+>Creating a user</TD
+><TD
+WIDTH="34%"
+ALIGN="center"
+VALIGN="top"
+><A
+HREF="c2018.html"
+>Up</A
+></TD
+><TD
+WIDTH="33%"
+ALIGN="right"
+VALIGN="top"
+>Removing a user</TD
+></TR
+></TABLE
+></DIV
+></BODY
+></HTML
+> \ No newline at end of file