BusyBox v1.29.3 (2018-11-02 15:37:50 PDT) multi-call binary.
    Usage: diff [-abBdiNqrTstw] [-L LABEL] [-S FILE] [-U LINES] FILE1 FILE2
    Compare files line by line and output the differences between them.
    This implementation supports unified diffs only.
    	-a	Treat all files as text
    	-b	Ignore changes in the amount of whitespace
    	-B	Ignore changes whose lines are all blank
    	-d	Try hard to find a smaller set of changes
    	-i	Ignore case differences
    	-L	Use LABEL instead of the filename in the unified header
    	-N	Treat absent files as empty
    	-q	Output only whether files differ
    	-r	Recurse
    	-S	Start with FILE when comparing directories
    	-T	Make tabs line up by prefixing a tab when necessary
    	-s	Report when two files are the same
    	-t	Expand tabs to spaces in output
    	-U	Output LINES lines of context
    	-w	Ignore all whitespace

Designed by SanjuD(@ngineerbabu)