What does grep v grep do?
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what these two commands prints "echo test","cat test"?
what is the use of ls -l command & what is the information it gives about user ?
how to check a file system type
who to change the duplex setting of network interface in command line
How do I clear my terminal history?
in UNIX,How to copy file into directory?
How many unix commands are there?
What is the command to find maximum memory taking process on the server?
distinguish between interrupts and exceptions?
what are filters?
What is command substitution?
Which RAID Levels supported by LVM?