prepare to add text at beginning of file:0a|1i find name of file being edited:f print last 3 lines of file:$-[2|-],$p print previous line:[-|^]{p}|{.}-{1}{p} print whole file:1,$p|g/[^|$]/p delete this line and next:.{,|;}[{.}+{1}|.1]d prepare to replace text from here to just before next "PP":\ .{,|;}/[PP|{^}\\.PP]/-{1}c find next "1.2":/1\\.2/{p} find next 2-or-more digit number:\ /\[[0|1]-9\]\[0-9\]/{p} move rest of this paragraph (separated by "PP") to end of previous one:\ [.,|{.}+{1},|.1,]/[PP|{^}\\.PP]/-{1}m[??|?{^}{\\.}PP?]-{1} print every "Oxygen" or "oxygen":[g|1,$g]/\[[Oo|oO]\]xygen/[p|.p] change each "BTL" in file to "Bell Laboratories" and check:\ [g|1,$g]/BTL/[s|.s]/[/|BTL/]Bell Laboratories/gp combine every even-numbered line with the next odd-numbered line:\ 2,${-{1}}g/[^|$]/[j|.,{.}+{1}j|.,.1j] print next "SH" and following line:\ /SH/;[{.}+{1}|.1]p|/SH/,[//|/SH/][{.}+{1}|.1]p print from next "TS" to following "TE":/TS/;/TE/p reverse order of lines in whole file:[g|1,$g]/^/[m|.m]0 replace each string of x's in current line by one x:\ [s|.s]/[x|\[x\]][x|\[x\]]*/x/g{p}{ (not s/x*/x/g)} change first "hte" in current line to "the" and check:[s|.s]/hte/the/p combine previous line and this one:\ [-,|^,|{.}-{1},].j go to line after third "PP" ahead:\ /[PP|{^}\\.PP]/;[//|/[PP|{^}\\.PP]/];[//|/[PP|{^}\\.PP]/]\ [{+}1|+]|;[{.}+{1}|.1]{ (not ...p)} exchange current line with previous line:\ [[-|^]m|{.}-{1}m].|{.}m[[--|^^]|{.}-2] move everything from here through "stop." to end of file:\ .,/stop\\./m$ current line has 2 fields separated by 1 blank; exchange them:\ [s|.s]/[\\|^\\]([.|\[^ \]]*\\) \\([.|\[^ \]]*\\)[/|$/]\\2 \\1/{p} insert a "0" after last "0" on current line:\ [s|.s]/[.*0/&0|^.*0/&0|0\\(\[^0\]*\\)$/[0&|00\1]|0\[^0\]*$/0&\ |\[^0\]*$/0&]/{p} replace "a*b" by "a**b":s/[a\\*b|a[*]b]/a**b/{p}|\ s/\\*/**/p attach the word "extra" to the end of the current line:\ [s|.s]/$/{ }extra/{p} replace "ATT" in current line by "AT&T":\ [s|.s]/ATT/AT\\&T/{g}{p} double the length of the current line by repetition:\ [s|.s]/[.*|.|^.*$]/&&/{p} look for another line containing what you just looked for:// find the previous line that contains a capital letter:?\[A-Z\]?{p} delete the next line that contains only capital letters:\ /^\[A-Z\]*$/d|/^\[A-Z\]\[A-Z\]*$/d place a copy of current line at the end of the file:\ t$|.{,.}t$ find how many lines there are:=|$= find the number of the current line:.= delete the first 3 lines of the file:1,3d delete every line that doesn't begin with "A":\ [v|1,$v]/^A/d{ (not g/^\[^A\]/d)} delete every empty line from here through next "LP":\ .,/[LP|{{^}\\.}LP]/g/^$/d print the line after each "AU":\ [g|1,$g]/[AU|{^}\\.AU]/[{.}+{1}|.1]{p} delete everything after "proud" from current line:\ [s|.s]/proud.*/proud/{p} delete part of current line from "alpha" through "omega":\ [s|.s]/alpha.*omega//{p} save everything up through current line in file "prefix":1,.w prefix prepare to add text at end of file:$a append the contents of file "suffix" to this file:$r suffix go back 10 lines:{.}-10{p}|---------- change every "01" in current line to "1":[s|.s]/01/1/g{p} go to next line that contains a double capital letter:\ /\\(\[A-Z\]\\)\\1/{p} place parens () around current line:\ [s|.s]/[.*|^.*$]/(&)/{p} the current line is too long for your terminal; print it to fit:\ l|.l put the work you've done back in the original file:w append the whole file to the file "unfinished":\ [W|1,$W] unfinished insert "\\&" at beginning of current line:\ [s|.s]/^/\\\\\\&/{p} list your current directory:!ls stop work on current file and shift to file "other":e other