TeX/TeX for the Impatient

• Syntactic conventions[2]
• Descriptions of the commands[3]

• Using TeX[2][7]
  • Turning input into ink[7]
  • Programs and files you need[7]
  • Running TeX[9]
  • Preparing an input file[10]
  • Commands and control sequences[10]
  • Arguments[11]
  • Parameters[12]
  • Spaces[12]
  • Comments[13]
  • Punctuation[13]
  • Special characters[15]
  • Groups[15]
  • Math formulas[16]
  • How TeX works[16]
  • New TeX versus old TeX[18]
  • Resources[18]
• Examples[3][21]
  • Entering simple text[22]
  • Indentation[24]
  • Fonts and special characters[26]
  • Interline spacing[28]
  • Spacing, rules, and boxes[30]
  • Odds and ends[32]
  • Using fonts from other sources[34]
  • A ruled table[36]
  • Typesetting mathematics[38]
  • More mathematics[40]
• Concepts[4][43]
• Commands for composing paragraphs[5][97]
  • Characters and accents[97]
  • Letters and ligatures for European alphabets[97]
  • Special symbols[98]
  • Arbitrary characters[99]
  • Accents[100]
  • Defeating boundary ligatures[101]
  • Selecting fonts[102]
  • Particular fonts[102]
  • Type styles[103]
  • Uppercase and lowercase[103]
  • Interword spacing[104]
  • Centering and justifying lines[108]
  • Shaping paragraphs[110]
  • Starting, ending, and indenting paragraphs[110]
  • Shaping entire paragraphs[114]
  • Line breaks[120]
  • Encouraging or discouraging line breaks[120]
  • Line breaking parameters[123]
  • Hyphenation[126]
  • Section headings, lists, and theorems[129]
• Commands for composing pages[6][133]
  • Interline and interparagraph spaces[133]
  • Page breaks[136]
  • Encouraging or discouraging page breaks[136]
  • Page breaking parameters[138]
  • Page layout[140]
  • Page description parameters[140]
  • Page numbers[142]
  • Header and footer lines[143]
  • Marks[144]
  • Insertions[145]
  • Footnotes[145]
  • General insertions[146]
  • Modifying the output routine[148]
  • Splitting vertical lists[149]
• Commands for horizontal and vertical modes[7][153]
  • Producing space[153]
  • Fixed-width horizontal space[153]
  • Fixed-length vertical space[154]
  • Variable-size space[155]
  • Manipulating boxes[160]
  • Constructing hboxes and vboxes[160]
  • Setting and retrieving the contents of boxes[164]
  • Shifting boxes[166]
  • Dimensions of box registers[167]
  • Struts, phantoms, and empty boxes[167]
  • Parameters pertaining to malformed boxes[170]
  • Retrieving the last item from a list[171]
  • Rules and leaders[172]
  • Alignments[176]
  • Tabbing alignments[176]
  • General alignments[178]
• Commands for composing math formulas[8][187]
  • Simple parts of formulas[187]
  • Greek letters[187]
  • Miscellaneous ordinary math symbols[188]
  • Binary operations[189]
  • Relations[190]
  • Left and right delimiters[191]
  • Arrows[192]
  • Named mathematical functions[193]
  • Large operators[194]
  • Punctuation[196]
  • Superscripts and subscripts[197]
  • Selecting and using styles[198]
  • Compound symbols[199]
  • Math accents[199]
  • Fractions and other stacking operations[200]
  • Dots[203]
  • Delimiters[204]
  • Matrices[205]
  • Roots and radicals[206]
  • Equation numbers[207]
  • Multiline displays[208]
  • Fonts in math formulas[209]
  • Constructing math symbols[211]
  • Making delimiters bigger[211]
  • Parts of large symbols[211]
  • Aligning parts of a formula[212]
  • Aligning accents[212]
  • Aligning material vertically[213]
  • Producing spaces[214]
  • Fixed-width math spaces[214]
  • Variable-width math spaces[215]
  • Spacing parameters for displays[216]
  • Other spacing parameters for math[217]
  • Categorizing math constructs[218]
  • Special actions for math formulas[218]
• Commands for general operations[9][221]
  • Naming and modifying fonts[221]
  • Converting information to tokens[224]
  • Numbers[224]
  • Environmental information[224]
  • Values of variables[226]
  • Grouping[227]
  • Macros[230]
  • Defining macros[230]
  • Other definitions[232]
  • Controlling expansion[233]
  • Conditional tests[235]
  • Repeated actions[240]
  • Doing nothing[241]
  • Registers[242]
  • Using registers[242]
  • Naming and reserving registers, etc.[244]
  • Doing arithmetic in registers[245]
  • Ending the job[246]
  • Input and output[247]
  • Operations on input files[247]
  • Operations on output files[249]
  • Interpreting input characters[251]
  • Controlling interaction with TeX [252]
  • Diagnostic aids[253]
  • Displaying internal data[253]
  • Specifying what is traced[256]
  • Sending messages[261]
  • Initializing TeX [263]
• Tips and techniques[10][265]
  • Correcting bad page breaks[265]
  • Preserving the end of a page[267]
  • Leaving space at the top of a page[267]
  • Correcting bad line breaks[268]
  • Correcting overfull or underfull boxes[268]
  • Recovering lost interword spaces[270]
  • Avoiding unwanted interword spaces[270]
  • Avoiding excess space around a display[271]
  • Avoiding excess space after a paragraph[271]
  • Changing the paragraph shape[272]
  • Putting paragraphs into a box[272]
  • Drawing lines[273]
  • Creating multiline headers or footers[274]
  • Finding mismatched braces[275]
  • Setting dimensions[276]
  • Creating composite fonts[276]
  • Reproducing text verbatim[277]
  • Using outer macros[279]
  • Changing category codes[280]
  • Making macro files more readable[281]
• Making sense of error messages[11][283]
• A compendium of useful macros[12][291]
  • Preliminaries[291]
  • Displays[295]
  • Time of day[297]
  • Lists[298]
  • Verbatim listing[300]
  • Tables of contents[301]
  • Cross-references[302]
  • Environments[304]
  • Justification[306]
  • Tables[307]
  • Footnotes[309]
  • Double columns[309]
  • Finishing up[311]

Source: http://mirrors.ctan.org/info/impatient/book.pdf