What are the differences among a system call, a library function, and a unix command?
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What is grep and how do you use it?
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why unix commands can be divided into internal and external commands?
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Give the command for finding the current date.
solaris Run level?
What is the syntax of grep command and what is its use?
in unix echo is used for
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Through which command will redirect output to bOth screen and files at the same time?
what is the difference between relative path and absolute path?
How to copy multiple files and directories into some other directory?
what is the shell for dos,nt operating systems?