Explain how do we change file access permissions?
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What is unix orphan process?
Describe a link in unix.
What uses unix?
Describe the concept of “region”.
What is a filter in unix? Give an example.
What is a regular file in unix?
Is unix a language?
How do I run a shell script in unix?
Pipes support half duplex communication. But if we want full-duplex communications we should use two pipes between two processes. Is such situation can leads to deadlock? Write two scenarios that could leads to deadlock in such situations?
What is the chief difference between the –v and –x option s to set?
briefly describe the shell's responsibilities?
How does the kernel differentiate device files and ordinary files?