addftinfo (1)        - add information to troff font files for use with groff
afmtodit (1)         - create font files for use with groff -Tps
bison (1)            - GNU Project parser generator (yacc replacement)
cat (1)              - concatenate files and print on the standard output
celibacy (1)         - NO DESCRIPTION
chmod (1)            - change the access permissions of files
cmp (1)              - compare two files
cp (1)               - copy files
ctags (1)            - Generates "tags" and (optionally) "refs" files
cut (1)              - remove sections from each line of files
dd (1)               - convert a file while copying it
du (1)               - summarize disk usage
elvis, ex, vi, view, input (1) - The editor
elvis, ex, vi, view, input (1) - The editor
emacs (1)            - GNU project Emacs
find (1)             - search for files in a directory hierarchy
flex (1)             - fast lexical analyzer generator
flex (1)             - fast lexical analyzer generator
gawk (1)             - pattern scanning and processing language
gcc (1)              - GNU project C Compiler
geqn (1)             - groff equation formatter
gnuplot (1)          - an interactive plotting program
gperf (1)            - generate a perfect hash function from a key set
gpic (1)             - compile pictures for troff or TeX
grep, egrep (1)      - print lines matching a regular expression
grodvi (1)           - convert groff output to TeX dvi format
groff (1)            - front end for the groff document formatting system
groff_font (5)       - NO DESCRIPTION
groff_me (7)         - groff macros for formatting papers
groff_ms (7)         - groff ms macros
groff_out (5)        - NO DESCRIPTION
grog (1)             - guess options for groff command
grops (1)            - PostScript driver for groff
grotty (1)           - groff driver for typewriter-like devices
gsoelim (1)          - interpret .so requests in groff input
gtbl (1)             - table formatter for groff
gtroff (1)           - format documents
head (1)             - output the first part of files
install (1)          - copy files and set their attributes
lasergnu (1)         - send gnuplot output to a printer
ln (1)               - make links between files
locate (1)           - list files in a database that match a pattern
ls, dir, vdir (1)    - list contents of directories
make (1)             - GNU make utility to maintain groups of programs
mkdir (1)            - make directories
mkfifo (1)           - make FIFOs (named pipes)
mv (1)               - rename files
paste (1)            - merge lines of files
patch (1)            - a program for applying a diff file to an original
plot2ps (1)          - a utility for converting Unix plot files into postscript.
protoize (1)         - convert K&R C source code to ANSI C prototype format
psbb (1)             - extract bounding box from PostScript document
ref (1)              - Display a C function header
refont (1)           - changes the notation used for fonts
rm (1)               - remove files
rmdir (1)            - remove empty directories
sex (6)              - NO DESCRIPTION
tac (1)              - concatenate and print files in reverse
tail (1)             - output the last part of files
tfmtodit (1)         - create font files for use with groff -Tdvi
touch (1)            - change file timestamps
unprotoize (1)       - convert ANSI C source code to K&R C (unprototyped) format
virec (1)            - Recover the modified version of a file after a crash
xargs (1)            - build and execute command lines from standard input
