What is unix command?
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what does a process mean?
What is the difference between cat command and more command?
in a growing log file how will you see the 1st 99 lines?
Assume that a file’s permissions give you read and write access. What operations can you perform on the file if it is in a directory which has “r”(read) only process? What operations can you perform on the file if it is in a directory which has “x”(execute) only access?
what is the command to find out which shell you are running?
How is the command '$cat file2 ' different from '$cat >file2 and >> redirection operators ?
What is used to type command?
Explain the terms ‘system calls’ and ‘library functions’ with respect to unix commands?
How to get the last ten lines of a file using awk utility?
What does sed command do in unix?
Explain the steps that a shell follows while processing a command.
What is grep r?