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What can you tell about shell variables?
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briefly describe the shell's responsibilities?
Describe the responsibilities of shell in brief.
I have one flat file,in this file how many columns are there i don't know,but one ename column is there , just i want to cut the surname, so how to cut the surname, any one know the answer please guide me ? ename ----- tapan kumar nayak bala murugan kutal chkrobarthy biswo My output is like that OUTPUT ------ nayak murugan chakrobarthy biswo
What is path variable in unix?
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What is a filter in unix? Give an example.
Does unix have a gui?
What are internal and external commands in unix?
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 do you understand by the term wild-card interpretation?
What is unix operating system?
What is the command to connect to remote terminals
Unix Commands 
