Explain about shell aritmetic operators and functions?
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Can you explain what does the kernel do?
How would you identify daemons in unix?
What are the criteria for choosing a process for swapping into memory from the swap device?
Is unix a kernel?
What is the difference between soft link and hard link in Unix operating system ?
Interviewer: Lets say there is a partition of 100GB. When i tried to create a file using touch command, under any directory, it was unable to create the file- '100% full disk space'. I calculated the size of each and every directory on that partition mannually by adding each file size & in came out to be total size 50GB. Then where is the remaining 50GB ? why it is showing disk space 100% full in 'df -h' command?
What Happens when you execute a program?
What is piping?
How does the kernel differentiate device files and ordinary files?
Is android unix based?
What is grep family in unix?
What are the general Commands in using Unix OS for a beginner? how many commands you know in that?