Explain the terms ‘system calls’ and ‘library functions’ with respect to unix commands?
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what are the different hardwares available?
what is the command to list files in a directory in UNIX?
what are the uses of filters?
what do you understand by 'building block primitive'?
What is rmdir command?
How can you copy files or directories?
What is pipe command in unix?
Why is it called grep?
what is the function of grep command?
Write a grep (or grep) command that selects the lines from a file that have exactly three characters.
How do I open a port?
What command is used to check the current users?