Function Description: Identify file type. &http://www.aliyun.com/zixun/aggregation/37954.html ">NBSP;
Syntax: file [-belvz][-f < name files >][-m < Magic digital files ...] [File or directory ...]
Supplemental Note: Through the file directive, we are able to identify the type of document.
Parameters:
-B When the results are identified, the file name is not displayed.
-C details the instruction execution process to facilitate error-making or analysis of program execution situations.
-f< Name File > Specifies a name file that has one or more file names, and lets file identify these files in the form of a file name in each column.
-L Displays the category of the file that the symbol connection points to.
-m< Magic Digital File > Specify Magic Digital file.
-V Displays version information.
-Z tries to interpret the contents of the compressed file.