Is shell scripting useful?
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What is the crontab?
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.
How would you replace the n character in a file with some xyz?
Write down the syntax of "for " loop
When you login to a c shell, which script would be run first?
Is bash a shell script?
How do I run a script from command prompt?
How to get the last line from a file using just the terminal?
What is a file basename?
How do you print the output the same string which is typed in command line. how do you write the shell script or command for this. if i entered "Hello" in command line, it should print 'Hello', if i say "Hello Welcome", i should get the "Hello Welcome" as output.?
What is bash eval?
How many fields are present in a crontab file and what does each field specify?
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