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diff --git a/file-operations.md b/file-operations.md new file mode 100644 index 0000000..9ed0441 --- /dev/null +++ b/file-operations.md @@ -0,0 +1,13 @@ +# General file operations and utilities + +## `shred` + +Overwrites a file repeatedly with random data, to prevent data recovery. + +* `-z`: zeroes out at the end +* `-n <N>`: does `N` iterations (deafults to only 3) +* `-u`: deallocates and removes file + +So a common usage: + + shred -zun100 <file> |