What are the file permissions and access modes in unix?
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Write a script that prints out date information in this order: time, the day of week, day number, month, year(sample output: 17:34:51 pdt sun 12 feb 2012)
What is the significance of the superuser?
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 many root directories exist in unix?
How to know the present working directory in unix?
How zip the file in unix?
What are a shell in unix and its types?
I want to invest in learning things that will get me good jobs in future. But wondering if Unix knowledge is something that is a MUST have or is it better to do any Data-warehouse tool (cognos, Qclik view, ETL etc..). Please suggest me.
What scheme does the Kernel in Unix System V follow while choosing a swap device among the multiple swap devices?
Is mac unix like?
How do I create a directory in unix?
What is the difference between an absolute path and a relative path in unix?