What is necessary before running a shell script from the terminal?
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How to find out what processes are running in the background in unix?
What are hidden files in unix?
What is unix and why it is used?
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 Process id in unix?
What is unix used for?
What are the file permissions and access modes in unix?
What do you understand by the term single user system?
How to display n-th line of a file in Unix?
What is unix file?
finding the presence of a word in a list of 'n' files (pattern matching)
How does unix pipe work?