MacOSX Skills Test

Copyright 2002,2003 A.P. Lawrence

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An administrator observes this:

bash-2.05a$ ls -la
total 516240
drwxrwxr-x  6 apl  staff        204 May 30 09:34 .
drwxrwxr-x  7 apl  staff        238 Feb 17 13:25 ..
-rw-------  1 apl  staff  131854336 May 30 09:34 .access_log.ssrNWg
-rw-rw-r--  1 apl  staff  131789188 May 30 07:54 access_log
-rw-rw-r--  1 apl  staff       3829 Feb 17 10:55 analog.cfg
-rw-rw-r--  1 apl  staff     660352 May 30 07:50 error_log
bash-2.05a$ ls -la
total 516432
drwxrwxr-x  6 apl  staff        204 May 30 09:34 .
drwxrwxr-x  7 apl  staff        238 Feb 17 13:25 ..
-rw-------  1 apl  staff  131952640 May 30 09:34 .access_log.ssrNWg
-rw-rw-r--  1 apl  staff  131789188 May 30 07:54 access_log
-rw-rw-r--  1 apl  staff       3829 Feb 17 10:55 analog.cfg
-rw-rw-r--  1 apl  staff     660352 May 30 07:50 error_log
bash-2.05a$ ls -la
total 516624
drwxrwxr-x  6 apl  staff        204 May 30 09:34 .
drwxrwxr-x  7 apl  staff        238 Feb 17 13:25 ..
-rw-------  1 apl  staff  132050944 May 30 09:34 .access_log.ssrNWg
-rw-rw-r--  1 apl  staff  131789188 May 30 07:54 access_log
-rw-rw-r--  1 apl  staff       3829 Feb 17 10:55 analog.cfg
-rw-rw-r--  1 apl  staff     660352 May 30 07:50 error_log
bash-2.05a$ ls -la
total 259384
drwxrwxr-x  5 apl  staff        170 Feb 17 13:25 .
drwxrwxr-x  7 apl  staff        238 Feb 17 13:25 ..
-rw-rw-r--  1 apl  staff  132134673 May 30 09:28 access_log
-rw-rw-r--  1 apl  staff       3829 Feb 17 10:55 analog.cfg
-rw-rw-r--  1 apl  staff     660614 May 30 09:26 error_log

This might indicate:

• A security intrusion
• An ftp transaction in progress
• An rsync in progress

Answer