What is awk good for?
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How can we use grep command in unix?
What is the protocol for PING command?
Name the unix command to find how many days the server has been up.
What is the use of awk command in unix?
how to delete entire records in unix ?
what is the use of uniq commmand?
What is the first character of the output in ls l command?
the difference between a soft link and a hard link?
what is the meaning of this command rm -rf / what will it do ?
Explain ‘system calls’ with respect to unix commands?
in UNIX,How to copy file into directory?
what is the significance of "su" command?