CompSci notes - -chmod ug+r, o-w filename Absolute-Set all...

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CompSci notes #FC2ECD Red = FC Green = 2E Blue = CD FC 16 ? 10 F x 16 1 + C x 16 0 15 x 16 + 12 x 1 240 + 12 252 2E ? 2 x 16 1 + Ex 16 0 46 CD ? C x 16 + D x 16 0 12 x 16 + 13 x 1 205 527 10 ? 16 16 4 = 65536 16 3 = 4096 16 2 = 256 2 2 16 1 = 16 0 0 16 0 = 115 15 F Or 527/16 = 32 R(emainder) 15 32/16 = 2 R 0 2/16 = 0 R 2 20F 0 not = 1 0, 0 nand = 1 0, 1 and = 0 1 not = 0 1, 0 nand = 1 1, 1 and = 1 0, 0 and = 0 0, 0 or = 0 0, 0 nor = 1 1, 0 or = 1 1, 0 nor = 0 1, 1 or = 1 1, 1 nor = 0 XOR - output is 1 if inputs are different - output is 0 if inputs are the same Everything is transferred in binary mode, unless it is text only (can be opened and edited in notepad)
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Chmod ________ filename Symbolic Ugotrwx - ugo = a - Add a permission to user, group, take away W permission from others
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Unformatted text preview: -chmod ug+r, o-w filename Absolute-Set all 9 permissions simultaneously-Rwxrw---x o Rwx = u 111 o Rw- = g 110 o--x = o 001 Adding Binaries 110101001 0+1=1 + 111001110 1+1=0 (carry a 1 to the next number) 1101110111 2 10 = 10 3 10 =11 Bezier curves Spreadsheet formulas p. 964 #88 X5: = (Z10*W3/12+(C7*$B$2)-$D11) Z7: = (____*___/12+(__*$B$2)-$D__) Order of operations ^ */ +-X5 Z10 = Right 2, Down 5 Z7 = AB12 X5 W3 = Left 1, Up2 Z7 = Y5 X5 C7 = Left 21, Down 2 Z7 = E9 X5 11 = Down 6 Z7 = 13 Z7 = (AB12*Y5/12(E9*$B$2)-$D13) X5 Z7 = Right 2, Down 2- apply to each changing cells...
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CompSci notes - -chmod ug+r, o-w filename Absolute-Set all...

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