Explain the terms ‘system calls’ and ‘library functions’ with respect to unix commands?
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what is the use of "test" command in unix?
Which command should you use to find the remaining disk space in unix server?
Explain iostat, vmstat and netstat.
what these two commands prints "echo test","cat test"?
How does the user view the contents of a text file in UNIX?
How to find and replace the below command?
What is a Unix signal, and how do you handle them?
Explain the read, write, and execute permissions on a UNIX directory.
What does sed command do in unix?
Is there any method to erase all files in the current directory, along with its all sub-directories, by using only one command?
What is the use of pipes?
What is a shell in Unix? Name some common Unix shells.