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.
3 7245What is the difference between a shell variable that is exported and the one that is not exported?
2 5643What does "bulk loading of a table" mean? Can you describe advantages or disadvantages of using these features?
2 12152Suppose you have a scheduling chain where the process 1 is a predecessor of the process 2 and both of them are scheduled every Monday at 8.00pm. Will I find execution log of process 1 every Tuesday morning? And what about the other one? Why?
1 4690What are the general Commands in using Unix OS for a beginner? how many commands you know in that?
2 6349how to use grep command to list find the records of a file containg 10 different strings
IBM,
5 12634What will be the result if we run the command #find /tmp - mtime -2 and #find /tmp -mtime +2
6 11931Post New Unix General Questions
What can you tell about shell variables?
How can you get/set an environment variable from a program?
Elucidate on the different ids used in the unix process?
Describe the term inode?
What is af_unix?
What does ls lrt in unix?
What is Thread dump in unix?
What are the four components of the unix file system?
What are data structures that are used for Demand Paging?
How do you start and stop services in unix without using admin console?
How to remove the directory in unix?
How do you determine and set the path in unix?
What is unix buffer cache?
What is the use of -l when listing a directory?
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.
