This (the Directory node) gives a menu of major topics. Typing "q" exits, "H" lists all Info commands, "d" returns here, "h" gives a primer for first-timers, "mEmacs<Return>" visits the Emacs manual, etc. In Emacs, you can click mouse button 2 on a menu item or cross reference to select it.
 
 Basics
· Common options             Common options.
· Coreutils                     Core GNU (file, text, shell) utilities.
· Date input formats             Date input formats.
· Ed                            The GNU line editor
· File permissions             File permissions.
                                 Access modes.
· Finding files                 Operating on files matching certain criteria.
· Time                          time
 
 C++ libraries
· autosprintf                   Support for printf format strings in C++.
 
 Compression
· Gzip                          General (de)compression of files (lzw).
 
 Editors
· nano                          Small and friendly text editor.
 
 General Commands
· Screen                        Full-screen window manager.
 
 GNU Gettext Utilities
· autopoint           autopoint Invocation.
                                 Copy gettext infrastructure.
· envsubst           envsubst Invocation.
                                 Expand environment variables.
· gettextize           gettextize Invocation.
                                 Prepare a package for gettext.
· gettext                       GNU gettext utilities.
· ISO3166           Country Codes.
                                 ISO 3166 country codes.
· ISO639           Language Codes.
                                 ISO 639 language codes.
· msgattrib           msgattrib Invocation.
                                 Select part of a PO file.
· msgcat           msgcat Invocation.
                                 Combine several PO files.
· msgcmp           msgcmp Invocation.
                                 Compare a PO file and template.
· msgcomm           msgcomm Invocation.
                                 Match two PO files.
· msgconv           msgconv Invocation.
                                 Convert PO file to encoding.
· msgen           msgen Invocation.
                                 Create an English PO file.
· msgexec           msgexec Invocation.
                                 Process a PO file.
· msgfilter           msgfilter Invocation.
                                 Pipe a PO file through a filter.
· msgfmt           msgfmt Invocation.
                                 Make MO files out of PO files.
· msggrep           msggrep Invocation.
                                 Select part of a PO file.
· msginit           msginit Invocation.
                                 Create a fresh PO file.
· msgmerge           msgmerge Invocation.
                                 Update a PO file from template.
· msgunfmt           msgunfmt Invocation.
                                 Uncompile MO file into PO file.
· msguniq           msguniq Invocation.
                                 Unify duplicates for PO file.
· ngettext           ngettext Invocation.
                                 Translate a message with plural.
· xgettext           xgettext Invocation.
                                 Extract strings into a PO file.
 
 GNU organization
· Maintaining Findutils               
                                 Maintaining GNU findutils
 
 GNU Utilities
· dirmngr-client                X.509 CRL and OCSP client.
· dirmngr                       X.509 CRL and OCSP server.
· gpg-agent                     The secret key daemon.
· gpg2                          OpenPGP encryption and signing tool.
· gpgsm                         S/MIME encryption and signing tool.
 
 Individual utilities
· aclocal-invocation                 aclocal Invocation.
                                                 Generating aclocal.m4.
· arch             arch invocation.             Print machine hardware name.
· automake-invocation                 automake Invocation.
                                                 Generating Makefile.in.
· b2sum             b2sum invocation.           Print or check BLAKE2 digests.
· base32             base32 invocation.         Base32 encode/decode data.
· base64             base64 invocation.         Base64 encode/decode data.
· basename             basename invocation.     Strip directory and suffix.
· basenc             basenc invocation.         Encoding/decoding of data.
· bibtex         bibtex invocation.             Maintaining bibliographies.
· cat             cat invocation.               Concatenate and write files.
· chcon             chcon invocation.           Change SELinux CTX of files.
· chgrp             chgrp invocation.           Change file groups.
· chmod             chmod invocation.           Change access permissions.
· chown             chown invocation.           Change file owners and groups.
· chroot             chroot invocation.         Specify the root directory.
· cksum             cksum invocation.           Print POSIX CRC checksum.
· cmp             Invoking cmp.                 Compare 2 files byte by byte.
· comm             comm invocation.             Compare sorted files by line.
· cp             cp invocation.                 Copy files.
· csplit             csplit invocation.         Split by context.
· cut             cut invocation.               Print selected parts of lines.
· date             date invocation.             Print/set system date and time.
· dd             dd invocation.                 Copy and convert a file.
· df             df invocation.                 Report file system usage.
· diff             Invoking diff.               Compare 2 files line by line.
· diff3             Invoking diff3.             Compare 3 files line by line.
· dir             dir invocation.               List directories briefly.
· dircolors             dircolors invocation.   Color setup for ls.
· dirname             dirname invocation.       Strip last file name component.
· du             du invocation.                 Report file usage.
· dvicopy         dvicopy invocation.           Virtual font expansion
· dvitomp         dvitomp invocation.           DVI to MPX (MetaPost pictures).
· dvitype         dvitype invocation.           DVI to human-readable text.
· echo             echo invocation.             Print a line of text.
· env             env invocation.               Modify the environment.
· expand             expand invocation.         Convert tabs to spaces.
· expr             expr invocation.             Evaluate expressions.
· factor             factor invocation.         Print prime factors
· false             false invocation.           Do nothing, unsuccessfully.
· find        Invoking find.                    Finding and acting on files.
· fmt             fmt invocation.               Reformat paragraph text.
· fold             fold invocation.             Wrap long input lines.
· gftodvi         gftodvi invocation.           Generic font proofsheets.
· gftopk         gftopk invocation.             Generic to packed fonts.
· gftype         gftype invocation.             GF to human-readable text.
· groups             groups invocation.         Print group names a user is in.
· gunzip        Overview.                       Decompression.
· gzexe        Overview.                        Compress executables.
· head             head invocation.             Output the first part of files.
· hostid             hostid invocation.         Print numeric host identifier.
· hostname             hostname invocation.     Print or set system name.
· id             id invocation.                 Print user identity.
· install             install invocation.       Copy files and set attributes.
· install-tl                  Installing TeX Live.
· join             join invocation.             Join lines on a common field.
· kill             kill invocation.             Send a signal to processes.
· link             link invocation.             Make hard links between files.
· ln             ln invocation.                 Make links between files.
· locate        Invoking locate.                Finding files in a database.
· logname             logname invocation.       Print current login name.
· ls             ls invocation.                 List directory contents.
· md5sum             md5sum invocation.         Print or check MD5 digests.
· mf         mf invocation.                     Creating typeface families.
· mft         mft invocation.                   Prettyprinting Metafont source.
· mkdir             mkdir invocation.           Create directories.
· mkfifo             mkfifo invocation.         Create FIFOs (named pipes).
· mknod             mknod invocation.           Create special files.
· mktemp             mktemp invocation.         Create temporary files.
· mltex         MLTeX.                          Multi-lingual TeX.
· mpost         mpost invocation.               Generating PostScript.
· mv             mv invocation.                 Rename files.
· nice             nice invocation.             Modify niceness.
· nl             nl invocation.                 Number lines and write files.
· nohup             nohup invocation.           Immunize to hangups.
· nproc             nproc invocation.           Print the number of processors.
· numfmt             numfmt invocation.         Reformat numbers.
· od             od invocation.                 Dump files in octal, etc.
· paste             paste invocation.           Merge lines of files.
· patch             Invoking patch.             Apply a patch to a file.
· patgen         patgen invocation.             Creating hyphenation patterns.
· pathchk             pathchk invocation.       Check file name portability.
· pktogf         pktogf invocation.             Packed to generic fonts.
· pktype         pktype invocation.             PK to human-readable text.
· pltotf         pltotf invocation.             Property list to TFM.
· pooltype         pooltype invocation.         Display WEB pool files.
· pr             pr invocation.                 Paginate or columnate files.
· printenv             printenv invocation.     Print environment variables.
· printf             printf invocation.         Format and print data.
· ptx             ptx invocation.               Produce permuted indexes.
· pwd             pwd invocation.               Print working directory.
· readlink             readlink invocation.     Print referent of a symlink.
· realpath             realpath invocation.     Print resolved file names.
· rm             rm invocation.                 Remove files.
· rmdir             rmdir invocation.           Remove empty directories.
· runcon             runcon invocation.         Run in specified SELinux CTX.
· sdiff             Invoking sdiff.             Merge 2 files side-by-side.
· seq             seq invocation.               Print numeric sequences
· sha1sum             sha1sum invocation.       Print or check SHA-1 digests.
· sha2             sha2 utilities.              Print or check SHA-2 digests.
· shred             shred invocation.           Remove files more securely.
· shuf             shuf invocation.             Shuffling text files.
· sleep             sleep invocation.           Delay for a specified time.
· sort             sort invocation.             Sort text files.
· split             split invocation.           Split into pieces.
· stat             stat invocation.             Report file(system) status.
· stdbuf             stdbuf invocation.         Modify stdio buffering.
· stty             stty invocation.             Print/change terminal settings.
· sum             sum invocation.               Print traditional checksum.
· sync             sync invocation.             Sync files to stable storage.
· tac             tac invocation.               Reverse files.
· tail             tail invocation.             Output the last part of files.
· tangle         tangle invocation.             WEB to Pascal.
· tee             tee invocation.               Redirect to multiple files.
· test             test invocation.             File/string tests.
· tex         tex invocation.                   Typesetting.
· tftopl         tftopl invocation.             TFM -> property list.
· timeout             timeout invocation.       Run with time limit.
· tlmgr                       Managing TeX Live.
· touch             touch invocation.           Change file timestamps.
· tr             tr invocation.                 Translate characters.
· true             true invocation.             Do nothing, successfully.
· truncate             truncate invocation.     Shrink/extend size of a file.
· tsort             tsort invocation.           Topological sort.
· tty             tty invocation.               Print terminal name.
· uname             uname invocation.           Print system information.
· unexpand             unexpand invocation.     Convert spaces to tabs.
· uniq             uniq invocation.             Uniquify files.
· unlink             unlink invocation.         Removal via unlink(2).
· updatedb        Invoking updatedb.            Building the locate database.
· uptime             uptime invocation.         Print uptime and load.
· users             users invocation.           Print current user names.
· vdir             vdir invocation.             List directories verbosely.
· vftovp         vftovp invocation.             Virtual font -> virtual pl.
· vptovf         vptovf invocation.             Virtual pl -> virtual font.
· wc             wc invocation.                 Line, word, and byte counts.
· weave         weave invocation.               WEB to TeX.
· who             who invocation.               Print who is logged in.
· whoami             whoami invocation.         Print effective user ID.
· xargs        Invoking xargs.                  Operating on many files.
· yes             yes invocation.               Print a string indefinitely.
· zcat        Overview.                         Decompression to stdout.
· zdiff        Overview.                        Compare compressed files.
· zforce        Overview.                       Force .gz extension on files.
· zgrep        Overview.                        Search compressed files.
· zmore        Overview.                        Decompression output by pages.
 
 Kernel
· grub-dev                      The GRand Unified Bootloader Dev
· grub-install        Invoking grub-install.
                                 Install GRUB on your drive
· grub-mkconfig        Invoking grub-mkconfig.
                                 Generate GRUB configuration
· grub-mkpasswd-pbkdf2        Invoking grub-mkpasswd-pbkdf2.
· grub-mkrelpath        Invoking grub-mkrelpath.
· grub-mkrescue        Invoking grub-mkrescue.
                                 Make a GRUB rescue image
· grub-mount        Invoking grub-mount.
                                 Mount a file system using GRUB
· grub-probe        Invoking grub-probe.
                                 Probe device information
· grub-script-check        Invoking grub-script-check.
· GRUB                          The GRand Unified Bootloader
 
 Libraries
· RLuserman                     The GNU readline library User's Manual.
 
 Math
· bc                            An arbitrary precision calculator language.
 
 Network applications
· Wget                          Non-interactive network downloader.
 
 Software development
· Automake                      Making GNU standards-compliant Makefiles.
· Automake-history                     
                                 History of Automake development.
 
 TeX
· DVI-to-PostScript             Translating TeX DVI files to PostScript.
· Kpathsea                      File lookup along search paths.
· TLbuild                       TeX Live configuration and development.
· Web2c                         TeX, Metafont, and companion programs.
· afm2tfm         Invoking afm2tfm.
                                 Making Type 1 fonts available to TeX.
· dvips         Invoking Dvips. DVI-to-PostScript translator.
· kpsewhich            Invoking kpsewhich.
                                 TeX file searching.
· mktexfmt            mktex scripts.
                                 Format (fmt/base/mem) generation.
· mktexlsr            Filename database.
                                 Update ls-R.
· mktexmf            mktex scripts.
                                 MF source generation.
· mktexpk            mktex scripts.
                                 PK bitmap generation.
· mktextex            mktex scripts.
                                 TeX source generation.
· mktextfm            mktex scripts.
                                 TeX font metric generation.
 
 Texinfo documentation system
· info stand-alone              
                                 Read Info documents without Emacs.
 
 Text creation and manipulation
· Diffutils                     Comparing and merging files.
· M4                            A powerful macro processor.
· grep                          Print lines that match patterns.
· sed                           Stream EDitor.  
 
 Version control
· RCS                           GNU Revision Control System.