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<HTML><!--Distributed by F --><HEAD><TITLE>[Chapter 17] 17.16 Searching by Owner and Group </TITLE><METANAME="DC.title"CONTENT="UNIX Power Tools"><METANAME="DC.creator"CONTENT="Jerry Peek, Tim O'Reilly & Mike Loukides"><METANAME="DC.publisher"CONTENT="O'Reilly & Associates, Inc."><METANAME="DC.date"CONTENT="1998-08-04T21:38:30Z"><METANAME="DC.type"CONTENT="Text.Monograph"><METANAME="DC.format"CONTENT="text/html"SCHEME="MIME"><METANAME="DC.source"CONTENT="1-56592-260-3"SCHEME="ISBN"><METANAME="DC.language"CONTENT="en-US"><METANAME="generator"CONTENT="Jade 1.1/O'Reilly DocBook 3.0 to HTML 4.0"><LINKREV="made"HREF="mailto:online-books@oreilly.com"TITLE="Online Books Comments"><LINKREL="up"HREF="ch17_01.htm"TITLE="17. Finding Files with find"><LINKREL="prev"HREF="ch17_15.htm"TITLE="17.15 Searching for Files by Permission "><LINKREL="next"HREF="ch17_17.htm"TITLE="17.17 Duplicating a Directory Tree (No Pathnames with find {} Operator)"></HEAD><BODYBGCOLOR="#FFFFFF"TEXT="#000000"><DIVCLASS="htmlnav"><H1><IMGSRC="gifs/smbanner.gif"ALT="UNIX Power Tools"USEMAP="#srchmap"BORDER="0"></H1><MAPNAME="srchmap"><AREASHAPE="RECT"COORDS="0,0,466,58"HREF="index.htm"ALT="UNIX Power Tools"><AREASHAPE="RECT"COORDS="467,0,514,18"HREF="jobjects/fsearch.htm"ALT="Search this book"></MAP><TABLEWIDTH="515"BORDER="0"CELLSPACING="0"CELLPADDING="0"><TR><TDALIGN="LEFT"VALIGN="TOP"WIDTH="172"><ACLASS="SECT1"HREF="ch17_15.htm"TITLE="17.15 Searching for Files by Permission "><IMGSRC="gifs/txtpreva.gif"SRC="gifs/txtpreva.gif"ALT="Previous: 17.15 Searching for Files by Permission "BORDER="0"></A></TD><TDALIGN="CENTER"VALIGN="TOP"WIDTH="171"><B><FONTFACE="ARIEL,HELVETICA,HELV,SANSERIF"SIZE="-1">Chapter 17<BR>Finding Files with find</FONT></B></TD><TDALIGN="RIGHT"VALIGN="TOP"WIDTH="172"><ACLASS="SECT1"HREF="ch17_17.htm"TITLE="17.17 Duplicating a Directory Tree (No Pathnames with find {} Operator)"><IMGSRC="gifs/txtnexta.gif"SRC="gifs/txtnexta.gif"ALT="Next: 17.17 Duplicating a Directory Tree (No Pathnames with find {} Operator)"BORDER="0"></A></TD></TR></TABLE> <HRALIGN="LEFT"WIDTH="515"TITLE="footer"></DIV><DIVCLASS="SECT1"><H2CLASS="sect1"><ACLASS="title"NAME="UPT-ART-7940">17.16 Searching by Owner and Group </A></H2><PCLASS="para"><ACLASS="indexterm"NAME="AUTOID-19268"></A><ACLASS="indexterm"NAME="AUTOID-19271"></A><ACLASS="indexterm"NAME="AUTOID-19274"></A><ACLASS="indexterm"NAME="AUTOID-19277"></A><ACLASS="indexterm"NAME="AUTOID-19280"></A><ACLASS="indexterm"NAME="AUTOID-19283"></A><ACLASS="indexterm"NAME="AUTOID-19287"></A><ACLASS="indexterm"NAME="AUTOID-19290"></A>Often you need to look for a filebelonging to a certain user or group.This is done with the<EMCLASS="emphasis">-user</EM>and<EMCLASS="emphasis">-group</EM>search operators.You often need to combine this with a search for particular permissions.To find all files that are<SPANCLASS="link">set user ID (<ACLASS="linkend"HREF="ch01_23.htm"TITLE="File Access Permissions ">1.23</A>)</SPAN>to root, use:</P><PCLASS="para"><BLOCKQUOTECLASS="screen"><PRECLASS="screen">% <CODECLASS="userinput"><B>find . -user root -perm -4000 -print</B></CODE></PRE></BLOCKQUOTE></P><PCLASS="para">To find all files that are<SPANCLASS="link">set group ID (<ACLASS="linkend"HREF="ch01_23.htm"TITLE="File Access Permissions ">1.23</A>)</SPAN>to <EMCLASS="emphasis">staff</EM>, use:</P><PCLASS="para"><BLOCKQUOTECLASS="screen"><PRECLASS="screen">% <CODECLASS="userinput"><B>find . -group staff -perm -2000 -print</B></CODE></PRE></BLOCKQUOTE></P><PCLASS="para">Instead of using a name or group from<SPANCLASS="link"><EMCLASS="emphasis">/etc/passwd</EM> (<ACLASS="linkend"HREF="ch36_03.htm"TITLE="Changing the Field Delimiter ">36.3</A>)</SPAN>or<SPANCLASS="link"><EMCLASS="emphasis">/etc/group</EM> (<ACLASS="linkend"HREF="ch22_13.htm"TITLE="Groups and Group Ownership ">22.13</A>)</SPAN>,you can use the<SPANCLASS="link">UID or GID number (<ACLASS="linkend"HREF="ch38_03.htm"TITLE="Managing Processes: Overall Concepts ">38.3</A>)</SPAN>:</P><PCLASS="para"><BLOCKQUOTECLASS="screen"><PRECLASS="screen">% <CODECLASS="userinput"><B>find . -user 0 -perm -4000 -print</B></CODE>% <CODECLASS="userinput"><B>find . -group 10 -perm -2000 -print</B></CODE></PRE></BLOCKQUOTE></P><PCLASS="para">Often, when a user leaves a site, his account is deleted, but hisfiles are still on the computer.Some versions of <EMCLASS="emphasis">find</EM> have<ACLASS="indexterm"NAME="AUTOID-19317"></A><ACLASS="indexterm"NAME="AUTOID-19320"></A><EMCLASS="emphasis">-nouser</EM>or<EMCLASS="emphasis">-nogroup</EM> operatorsto find files with an unknown user or group ID.</P><DIVCLASS="sect1info"><PCLASS="SECT1INFO">- <SPANCLASS="authorinitials">BB</SPAN></P></DIV></DIV><DIVCLASS="htmlnav"><P></P><HRALIGN="LEFT"WIDTH="515"TITLE="footer"><TABLEWIDTH="515"BORDER="0"CELLSPACING="0"CELLPADDING="0"><TR><TDALIGN="LEFT"VALIGN="TOP"WIDTH="172"><ACLASS="SECT1"HREF="ch17_15.htm"TITLE="17.15 Searching for Files by Permission "><IMGSRC="gifs/txtpreva.gif"SRC="gifs/txtpreva.gif"ALT="Previous: 17.15 Searching for Files by Permission "BORDER="0"></A></TD><TDALIGN="CENTER"VALIGN="TOP"WIDTH="171"><ACLASS="book"HREF="index.htm"TITLE="UNIX Power Tools"><IMGSRC="gifs/txthome.gif"SRC="gifs/txthome.gif"ALT="UNIX Power Tools"BORDER="0"></A></TD><TDALIGN="RIGHT"VALIGN="TOP"WIDTH="172"><ACLASS="SECT1"HREF="ch17_17.htm"TITLE="17.17 Duplicating a Directory Tree (No Pathnames with find {} Operator)"><IMGSRC="gifs/txtnexta.gif"SRC="gifs/txtnexta.gif"ALT="Next: 17.17 Duplicating a Directory Tree (No Pathnames with find {} Operator)"BORDER="0"></A></TD></TR><TR><TDALIGN="LEFT"VALIGN="TOP"WIDTH="172">17.15 Searching for Files by 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