How many fields are present in a crontab file and what does each field specify?
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How many prompts are available in a UNIX system?
How do you schedule a command to run at 4:00 every morning?
Explain about sourcing commands?
What are the advantages of bash over all other shells?
Why do we use shell scripting?
What is the basic difference you find between a shell script and perl?
How can any user find out all information about a specific user like his default shell, real-life name, default directory, when and how long he has been using the system?
What can scripts do?
How to enable the shell to know what program should be run to interpret the script?
give me some website where i can get unix and testing meterials
What is the difference between a 'thread' and a 'process'?
Explain about login shell?