What does $@ mean in shell?
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Why are shell scripts used?
How Connect to a Database in Shell Programming?
Determine the output of the following command: [ -z “” ] && echo 0 || echo 1
What is the syntax of while loop in shell scripting?
What is difference between bash and shell?
What is sudo command?
What are the three main forms of enabling debugging in a shell script?
determine the output of the following command: echo ${new:-variable}
What does echo $0 do?
What are the different types of commonly used shells on a typical linux system?
What is a file basename?
There is a record with fields namely name,roll no.,salary,grade etc.Now,write a script to create a file with multiple records have same combination of fields but with unique roll numbers.The script should work for different names in the input file.