Tell something about the super block in shell scripting?

577

Why is it called a shell?

509

Write a command sequence to find all the files modified in less than 2 days and print the record count of each.

939

How will you find the 99th line of a file using only tail and head command?

2004

determine the output of the following command: echo ${new:-variable}

550

What makes c shell a more preferable option than the bourne shell?

544

What is a beat in a script?

549

In my bash shell I want my prompt to be of format '$"present working directory":"hostname"> and load a file containing a list of user-defined functions as soon as I log in, how will you automate this?

641

What is shell variable?

532

Is powershell a language?

567

Write the syntax for "if" conditionals in linux?

600

How does path variable work?

550

Rewrite the command to print the sentence and convert the variable to plural: echo “i like $variable”.

575

What does egrep mean?

577

What is the first line in every perl script called?

559