Explain ‘system calls’ with respect to unix commands?
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What is time_t?
What is the difference between Shell Programming and Shell scripting?
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What is grep and sed command?
A file has 1000 lines and i want to display only 1st line how to do it? pls ..tel me
What is the difference between a hard link and a soft link in Unix?
What do know about tee command?
what are processor execution levels and priorities?
What is the use of cut command in unix?
Using unix command how to display no of records in oracle?
Is there any command in Unix, other than:ls, to list the files in a directory? The answer will be highly appreciated...
distinguish between interrupts and exceptions?
What is the different between UNIX command and UNIX shell script?