Explain ‘system calls’ with respect to unix commands?
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What do chgrp command do?
What is the use of find command in unix?
what does a process mean?
What is the difference between pipe and xargs?
How do you execute a UNIX command in the background?
What Command will remove a Directory in UNIX?
What UNIX command will control the default file permissions when files are created?
How to identify whether a file is normal file or directory?
When the shell is reading the command line what is the difference between text enclosed between double quotes ( ” ) and text enclosed between signal quotes ( ’ )?
What is sed awk grep?
distinguish between physical addresses and logical address?
how to remotely move a file ??? that mean how to move a file one machine to another machine ???