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Explain about shebang?
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How to find duplicate record in file using shell script?
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What does $$ mean in shell script?
What is option in shell script?
What is @echo off?
A file has multiple records each having three 30-bit long fields(field1,field2,field3).There is also a lookup file,LOOK_UP.dat.Now, we need to consider only the last ten digits of field1 and lookup the file LOOK_UP.dat. If there a match then field2 and field3 should replaced with corresponding data from the lookup file. otherwise that particular record,for which there is no match, should be stored in a seperate file.
What is basename in shell script?
What are the advantages of using shell scripts?
How do you know which shell I am using?
What is MUTEX?
Why do we use shell scripting?
What is echo in shell?
What is the crontab?
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