What is unix shell scripting used for?
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How to perform a system shutdown in unix?
Why was unix invented?
Is unix a kernel or os?
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.
How is unix different from linux?
How do you start and stop services in unix without using admin console?
How do I remove 30 days old files in unix?
Assume that there are two different filesystems as /abc and /xyz. There is a file A under filesystem /abc which has to be linked to filesystem /xyz. Which link will you use - soft link or hard link? why?
How to log out in unix?
What is unix mtime?
What does shebang mean in unix?
Is learning unix useful?