medium10 pts · first answer countslinuxbashsecurity

Creating a temp file safely

Why is tmp=$(mktemp) better than tmp=/tmp/myscript.$$ in a script run as root?

A.It makes a unique file atomically, so no one can pre-create the nameB.It keeps the file in RAM, which is faster than diskC.It deletes the file automatically when the script endsD.It is the only way to write to /tmp as root

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Creating a temp file safely

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