can pliz someone help, m trying to serach and display a record in shell scripting in linux

i have one data file n one source file. wat should write in the source[coding] file to to search for a record acording to a search pattern entered by a user...

the data file is like

9009709 Deo Vinit V IT Programmer 17/03/08
9207700 Benny Benson N HR Manager 20/06/07
..
..
............

wat should i write in my source file so that say user wants to search for record with number as 9009709 n then display the entire record for that number on the screen

i tried using awk n grep n sed but got confused....

pliz can someone help.....

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