strings - list printable strings in file
strings [-a] [-t format] [-n number] file ...
The strings(1) utility searches the specified file for printable strings and writes them to standard output, one string to a line. A printable string is a sequence of number or more characters terminated by a newline or null character; the default value for number is 4.
The strings(1) utility takes the following options:
The strings(1) utility returns 0 if it completed successfully, and >0 if an error occurred.