What does sed command do in unix?
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what is the meaning of this command rm -rf / what will it do ?
What is the difference between grep and grep?
what is the command to list all files in a directory, including the hidden files in UNIX ?
What will the following command do?
Which command is used to find whether the system is 32 bit or 64 bit?
What is the functionality of a top command?
What is the command to find hidden files in the current directory?
Write a command to kill the last background job?
the difference between a soft link and a hard link?
Explain the read, write, and execute permissions on a UNIX directory.
which script will invoke first ,when /etc/init.d starts
Write a command to find all of the files which have been accessed within the last 30 days.
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