Unix
The UNIX file system stores a date in physical blocks of

256 bytes
2048 bytes
None of these
1024 bytes
512 bytes

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Unix
The % key allows you

to move the cursor to a matching delimiter, when a delimiters a parenthesis, a bracket, or a brace.
to move the cursor backward to the beginning of a word
to move the cursor to the upperleft corner of the screen
to move the cursor to the first column in the current line

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