Is mac built on unix?
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How to reverse a string in Unix?
briefly describe the shell's responsibilities?
How do you make programs portable on unix and dos under such circumstances?
What is unix operating system explain various components of unix operating system?
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 piping?
What will be the result if we run the command #find /tmp - mtime -2 and #find /tmp -mtime +2
Which is a form of interprocess communication in unix?
What is c shell in unix?
Which language unix is written?
How to copy files from one directory to other in unix?
What do you mean by the protection fault?