Why is shebang used?
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distinguish between user mode and kernel mode?
what is the function of grep command?
What will the following command do?
Which unix command lists files/folders in alphabetical order?
What is the syntax of grep command and what is its use?
Is there a way to erase all files in the current directory, including all its sub-directories, using only one command?
what is ls -ltd?
The rm command removes links to file. What does this mean? How then is a file deleted from the file system?
Is it inbetween or in between?
What is grep and how do you use it?
What is the behavioural difference between cmp and diff commands?
What UNIX command will control the default file permissions when files are created?