Which unix shell is best?
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What is alias mechanism?
What is a shell?
What is the ‘nohup’ in unix?
How can you edit a large file without opening it in unix?
Explain piping.
What is .login file in unix?
List some of the frequent shells used in unix along with their indicators?
What is .profile unix?
Why unix is secure than windows?
1)How to schedule a job,that will periodically execute in second by crontab? 2)I know only second specific time to execute the job. like 10 10 * * * sleep 40&&ps -l>/dev/pts/1 It will execute at 10:10:40 AM but do not know how to execute 15 second,30 second so on at 10:10 am.
What is unix in simple terms?
Name the key features of the korn shell.