Search for Data in Disk Image or Other Bitstream

• grep (Unix Command) - search for specific patterns in the text content of files
  http://www.linfo.org/grep.html
• strings (Unix Comand) - outputs strings of printable characters from files, including binary files
  http://www.linfo.org/strings.html
• strings (Mark Russinovich) - for Windows, able to deal with Unicode
  http://technet.microsoft.com/en-us/sysinternals/bb897439.aspx