Cisco ASA 5520 show flash in a factory default config
ciscoasa# show flash:
--#-- --length-- -----date/time------ path
101 25159680 Sep 08 2011 11:44:16 asa842-k8.bin
90 0 Sep 08 2011 13:43:54 nat_ident_migrate
3 4096 Jan 01 2003 00:04:44 log
6 4096 Jan 01 2003 00:04:54 crypto_archive
12 4096 Jan 01 2003 00:04:58 coredumpinfo
13 59 Jan 01 2003 00:04:58 coredumpinfo/coredump.cfg
102 16280544 Sep 08 2011 13:47:26 asdm-645.bin
103 12998641 Sep 08 2011 13:43:40 csd_3.5.2008-k9.pkg
104 4096 Sep 08 2011 13:43:46 sdesktop
109 1462 Sep 08 2011 13:43:46 sdesktop/data.xml
105 6487517 Sep 08 2011 13:43:48 anyconnect-macosx-i386-2.5.2014-k9.pkg
106 6689498 Sep 08 2011 13:43:52 anyconnect-linux-2.5.2014-k9.pkg
107 4678691 Sep 08 2011 13:43:54 anyconnect-win-2.5.2014-k9.pkg
255320064 bytes total (182407168 bytes free)