<html><body><div style="color:#000; background-color:#fff; font-family:times new roman, new york, times, serif;font-size:12pt"><pre>Hi. I have the following two files - does anybody have a clue how they can be different? Does Linux now maintain some state about files on the filesystem other than what is configurable with chmod? Is there a mailing list where more obscure ubuntu questions can be asked? $ ls -l tcpdump $node/tcpdump -rwsr-xr-x 1 root cts 760184 Mar 6 07:40 /home/cts/nodes/tcpdump -rwsr-xr-x 1 root cts 760184 Mar 5 23:55 tcpdump $ cmp tcpdump $node/tcpdump $ One works: $ ~/nodes/tcpdump tcpdump: verbose output suppressed, use -v or -vv for full protocol decode listening on eth0, link-type EN10MB (Ethernet), capture size 96 bytes One doesn't: $ ./tcpdump tcpdump: no suitable device found I know that there are wonderous new things going into linux, so I tried this: $ getcap The program 'getcap' is currently not installed. You can install it by typing: sudo apt-get install libcap2-bin Thus, the "capabilities" tools, at any rate, are not installed on the machine, and so are presumably not involved. Thanks in advance for any help. cts </pre></div></body></html>