What is the difference between grep and grep?
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how to change a normal file into hidden file
What is the output of : $ ps-e $ ps-a commands
what is kernel?
what is the meaning of this command rm -rf / what will it do ?
What is the size of time_t?
Write a command that will find all text files in a directory such that it does not contain the word "amazing" in any form (that is, it must include the words amazing, amazing, or amazing)?
How to setup sudo, only can use for particular date & time only ( for solaris10 )
What does sed command do in unix?
Differentiate cat command from more command.
Which is the command used to find out currently executing Process in UNIX?
write grep commands to select the lines that have exactly two characters
distinguish between physical addresses and logical address?