12.5 Group Summary of Requests
As an aid to finding the right request for a particular task, the 85 nroff /troff requests are listed below by subject.
12.5.1 Character Output
.cu
|
Continuous underline/italicize. |
.lg
|
Ligature mode. |
.tr
|
Translate characters. |
.uf
|
Set font for underlining. |
.ul
|
Underline/italicize. |
12.5.2 Conditional Processing
.el
|
Else portion of if-else. |
.ie
|
If portion of if-else. |
.if
|
If statement. |
12.5.3 Customizing n/troff Requests
.c2
|
Set no-break control character. |
.cc
|
Set control character. |
.ec
|
Set escape character. |
.eo
|
Turn off escape character. |
.hc
|
Set hyphenation character. |
.pc
|
Set page character. |
12.5.4 Diagnostic Output
.ab
|
Print a message, then abort. |
.fl
|
Flush output buffer. |
.ig
|
Suppress (ignore) text in output. |
.lf
|
Set line number and filename. |
.mc
|
Set the margin character. |
.pm
|
Print name and size of macros. |
.tm
|
Print a message, then continue. |
12.5.5 Font and Character Size
.bd
|
Embolden font. |
.cs
|
Set constant-width spacing. |
.fp
|
Mount font (on positions 1-4). |
.ft
|
Set font. |
.ps
|
Set point size. |
.ss
|
Set character spacing. |
12.5.6 Horizontal Positioning
.in
|
Indent. |
.ll
|
Set line length. |
.lt
|
Set length of title. |
.po
|
Change page offset. |
.ti
|
Indent next line. |
.tl
|
Specify three-part title. |
12.5.7 Hyphenation
.hw
|
Set hard-coded hyphenation. |
.hy
|
Set hyphenation mode. |
.nh
|
Turn off hyphenation. |
12.5.8 Input/Output Switching
.cf
|
Copy raw file to output. |
.ex
|
Exit from nroff /troff . |
.nx
|
Go to a file. |
.pi
|
Pipe output to a Unix command. |
.rd
|
Read from the terminal. |
.so
|
Go to a file, then return. |
.sy
|
Execute a Unix command. |
12.5.10 Macro and String Processing
.am
|
Append to a macro. |
.as
|
Append to a string. |
.ch
|
Change trap position. |
.da
|
Divert text; append to a macro. |
.de
|
Define a macro. |
.di
|
Divert text to a macro. |
.ds
|
Define a string. |
.dt
|
Set a diversion trap. |
.em
|
Set the ending macro. |
.ev
|
Change environment. |
.it
|
Set trap for input line counting. |
.rm
|
Remove macro, request, or string. |
.rn
|
Rename macro, request, or string. |
.wh
|
Set a page trap. |
12.5.11 Number Registers
.af
|
Assign a format to a register. |
.nr
|
Define a number register. |
.rr
|
Remove a number register. |
12.5.12 Pagination
.bp
|
Begin a new page. |
.mk
|
Mark vertical position. |
.ne
|
Keep lines on same page if there's room. |
.pl
|
Set page length. |
.pn
|
Set page number. |
.rt
|
Return to marked vertical place. |
12.5.13 Tabs
.fc
|
Set a field delimiter and a pad character. |
.lc
|
Set leader character. |
.ta
|
Define tab settings. |
.tc
|
Set tab character. |
12.5.14 Text Adjustments
.ad
|
Adjust margins. |
.br
|
Break the output line. |
.ce
|
Center lines. |
.fi
|
Fill lines. |
.na
|
Don't adjust margins. |
.nf
|
Don't fill lines. |
12.5.15 Vertical Spacing
.ls
|
Line spacing (e.g., single-spaced). |
.ns
|
Enable no-space mode. |
.os
|
Output vertical space from .sv
. |
.rs
|
Restore spacing mode. |
.sp
|
Output blank spacing. |
.sv
|
Save (store) spacing. |
.vs
|
Set vertical spacing for lines. |
|
|
|
| 12.4 Default Operation of Requests | 
|
12.6 Alphabetical Summary of Requests |
