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Thank you guys. Now, i could understand the difference between && and -a.

Hi,

I am not sure about awk but in Shell scripting the logical and operator should be "-a" but not "&&". Isn't it??

I tried below script using && which didn't work. But it worked only after...

Hi Team,

I know that "&" holds the result of current pattern match.
But what does "&&" means and its use please?

Thanks & Regards,
Batta Archana

Hi,

Do we have Foreign Key concept in File system like UNIX, as we have in DBMS?? If yes, Can you please tell me how it is implemented in File System?

Thanks & Regards,
Archana