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fork in unix ?
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?
How does the system know where one command ends and another begins?
What is the use of egrep command in unix?
How to create hardlinks and softlinks on files?
What do chmod, chown, chgrp commands do?
How does shebang work?
Explain iostat, vmstat and netstat.
Write a command to find all of the files which have been accessed within the last 30 days.
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how to unzip the contents of the gzip file
distinguish between multi-tasking,multi-user,multi- processing and time sharing?
4 Answers Infosys, Nikhil Construction,
What is the pipe command?