xargs

Hello, First of all, sorry for such a silly question, but i really did not understood that what does 'xargs' command do! Already Read: 'man xargs', google.com Thanking you...

How can i first search with certain filename with wild card and then search a string in those filename and get the output. E.g Directory name : abc/def/xyz/ Files in directory : Abc12, abc13, abd12,abc14,abc15, abe12 and so on. First search : ab*12 Output : abc12,abd12,abe12 Now search...