Explain how do you create special files like named pipes and device files?
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Differentiate between paging and swapping?
What is the command to connect to remote terminals
What is a parent directory in unix?
Is windows unix?
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.
Is unix portable?
What is the use of grep and egrep in unix?
What is the root directory in unix?
How unix is different from other operating systems?
What is tilde unix?
Describe the term inode?
What is inode in unix operating system?