What are the file permissions and access modes in unix?
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Is learning unix useful?
Is a directory unix?
1)what is grep|sort give example? 2)what are the test commands
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.
Enlist common shells with their indicators.
What is the use of unix?
What will happens when we don't call of bind()and listen() in a normal echo server ? Q.33 (b). What are the purposes of the three file descriptors on which the syslogd daemon listens and does I/O multiplexing?
Explain the importance of directories in a unix system
What is alias mechanism?
Which mode executes the fault handler?
What is meant by the term nohup?
Is windows unix like?