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 The GRand Unified Bootloader · 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. 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.