This is the file .../info/dir, which contains the topmost node of the Info hierarchy, called (dir)Top. The first time you invoke Info you start off looking at this node.  File: dir, Node: Top This is the top of the INFO tree 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" visits the Emacs manual, etc. In Emacs, you can click mouse button 2 on a menu item or cross reference to select it. * Menu: Emacs * Emacs: (emacs). The extensible self-documenting text editor. * Emacs FAQ: (efaq). Frequently Asked Questions about Emacs. Emacs editing modes * CC Mode: (ccmode). Emacs mode for editing C, C++, Objective-C, Java, Pike, AWK, and CORBA IDL code. * IDLWAVE: (idlwave). Major mode and shell for IDL files. * Octave mode: (octave-mode). Emacs mode for editing GNU Octave files. * Org Mode: (org). Outline-based notes management and organizer. * VHDL Mode: (vhdl-mode). Emacs mode for editing VHDL code. * nXML Mode: (nxml-mode). XML editing mode with RELAX NG support. Emacs Lisp * Elisp: (elisp). The Emacs Lisp Reference Manual. * Emacs Lisp Intro: (eintr). A simple introduction to Emacs Lisp Emacs Lisp Libraries * Auth-source: (auth). The Emacs auth-source library. * CL-Lib: (cl). Partial Common Lisp support for Emacs Lisp. * D-Bus: (dbus). Using D-Bus in Emacs. * Emacs MIME: (emacs-mime). Emacs MIME de/composition library. * SMTP: (smtpmail). Emacs library for sending mail via SMTP. * URL: (url). URL loading package. * Widget: (widget). The "widget" package. Emacs misc features * Autotype: (autotype). Convenient features for text. * Bovine: (bovine). Semantic bovine parser development. * Calc: (calc). Advanced desk calculator and mathematical tool. * Dired-X: (dired-x). Dired Extra Features. * EDE: (ede). The Emacs Development Environment. * EDT: (edt). An Emacs emulation of the EDT editor. * EIEIO: (eieio). An objects system for Emacs Lisp. * ERC: (erc). Powerful and extensible IRC client for Emacs. * ERT: (ert). Emacs Lisp regression testing tool. * EUDC: (eudc). Client for directory servers (LDAP, BBDB). * EWW: (eww). Emacs Web Wowser * EasyPG Assistant: (epa). An Emacs user interface to GNU Privacy Guard. * Ebrowse: (ebrowse). A C++ class browser for Emacs. * Ediff: (ediff). Compare and merge text and code. * Eglot: (eglot). Language Server Protocol client for Emacs. * Emacs GnuTLS: (emacs-gnutls). The Emacs GnuTLS integration. * Eshell: (eshell). A command shell implemented in Emacs Lisp. * Flymake: (flymake). A universal on-the-fly syntax checker. * Forms: (forms). Editing data bases by filling in forms. * Gnus: (gnus). The newsreader Gnus. * Htmlfontify: (htmlfontify). Convert source code to html. * Ido: (ido). Interactively do things with buffers and files. * MH-E: (mh-e). Emacs interface to the MH mail system. * Mairix: (mairix-el). Emacs interface to the Mairix mail indexer. * Message: (message). Mail & news composition mode goes with Gnus. * Modus Themes: (modus-themes). Elegant, legible and customizable themes. * Mu4e: (Mu4e). An email client for GNU Emacs. * Newsticker: (newsticker). A feed reader for Emacs. * PCL-CVS: (pcl-cvs). Emacs front-end to CVS. * Rcirc: (rcirc). Internet Relay Chat (IRC) client. * RefTeX: (reftex). LaTeX cross-references and citations. * Remember: (remember). Simple information manager for Emacs. * SASL: (sasl). The Emacs SASL library. * SC: (sc). Cite parts of messages you're replying to. * SES: (ses). Simple Emacs Spreadsheet. * SRecode: (srecode). Semantic template code generator. * Semantic: (semantic). Source code parser library and utilities. * Sieve: (sieve). Managing Sieve scripts in Emacs. * Speedbar: (speedbar). File/Tag summarizing utility. * Todo Mode: (todo-mode). Make and maintain todo lists. * Tramp: (tramp). Emacs remote file access via ssh and scp. * Transient: (transient). Transient Commands. * VIP: (vip). An obsolete VI-emulation for Emacs. * VIPER: (viper). A VI-emulation mode for Emacs. * Wisent: (wisent). Semantic Wisent parser development. * WoMan: (woman). Browse UN*X Manual Pages "W.O. (without) Man". * use-package: (use-package). Declarative package configuration for Emacs. * vtable: (vtable). Variable Pitch Tables. SICP * SICP: (sicp). Structure and Interpretation of Computer Programs Shells * Bash: (bash). The GNU Bourne-Again SHell. * ZSH: (zsh). The Z Shell Manual. Programming Languages * Guile Reference: (guile). The Guile reference manual. * python: (python.info). Python 3.13.7 documentation * pythonpackagingguide: (pythonpackagingguide.info). Python packaging guide. * setuptools: (setuptools.info). Python Setup tools. Basics * Common options: (coreutils)Common options. * Coreutils: (coreutils). Core GNU (file, text, shell) utilities. * Date input formats: (coreutils)Date input formats. * File permissions: (coreutils)File permissions. Access modes. * Finding files: (find). Operating on files matching certain criteria. Compression and Archiving * Gzip: (gzip). General (de)compression of files (lzw). * Tar: (tar). Making tape (or disk) archives. Development * Git: (git). A fast distributed revision control system GNU Libraries * Assuan: (assuan). An IPC library for non-persistent servers. GNU organization * Standards: (standards). GNU coding standards. GNU Packages * Aspell: (aspell). GNU Aspell spelling checker * Aspell-dev: (aspell-dev). For Aspell developers GNU Utilities * dirmngr: (gnupg). X.509 CRL and OCSP server. * dirmngr-client: (gnupg). X.509 CRL and OCSP client. * gpg-agent: (gnupg). The secret key daemon. * gpg2: (gnupg). OpenPGP encryption and signing tool. * gpgsm: (gnupg). S/MIME encryption and signing tool. * pinentry: (pinentry). Securely ask for a passphrase or PIN. Individual utilities * aclocal-invocation: (automake)aclocal Invocation. Generating aclocal.m4. * arch: (coreutils)arch invocation. Print machine hardware name. * autoconf-invocation: (autoconf)autoconf Invocation. How to create configuration scripts * autoheader: (autoconf)autoheader Invocation. How to create configuration templates * autom4te: (autoconf)autom4te Invocation. The Autoconf executables backbone * automake-invocation: (automake)automake Invocation. Generating Makefile.in. * autoreconf: (autoconf)autoreconf Invocation. Remaking multiple ‘configure’ scripts * autoscan: (autoconf)autoscan Invocation. Semi-automatic ‘configure.ac’ writing * autoupdate: (autoconf)autoupdate Invocation. Automatic update of ‘configure.ac’ * awk: (gawk)Invoking Gawk. Text scanning and processing. * b2sum: (coreutils)b2sum invocation. Print or check BLAKE2 digests. * base32: (coreutils)base32 invocation. Base32 encode/decode data. * base64: (coreutils)base64 invocation. Base64 encode/decode data. * basename: (coreutils)basename invocation. Strip directory and suffix. * basenc: (coreutils)basenc invocation. Encoding/decoding of data. * cat: (coreutils)cat invocation. Concatenate and write files. * chcon: (coreutils)chcon invocation. Change SELinux CTX of files. * chgrp: (coreutils)chgrp invocation. Change file groups. * chmod: (coreutils)chmod invocation. Change access permissions. * chown: (coreutils)chown invocation. Change file owners and groups. * chroot: (coreutils)chroot invocation. Specify the root directory. * cksum: (coreutils)cksum invocation. Print POSIX CRC checksum. * cmp: (diffutils)Invoking cmp. Compare 2 files byte by byte. * comm: (coreutils)comm invocation. Compare sorted files by line. * config.status: (autoconf)config.status Invocation. Recreating configurations. * configure: (autoconf)configure Invocation. Configuring a package. * cp: (coreutils)cp invocation. Copy files. * csplit: (coreutils)csplit invocation. Split by context. * cut: (coreutils)cut invocation. Print selected parts of lines. * date: (coreutils)date invocation. Print/set system date and time. * dd: (coreutils)dd invocation. Copy and convert a file. * df: (coreutils)df invocation. Report file system usage. * diff: (diffutils)Invoking diff. Compare 2 files line by line. * diff3: (diffutils)Invoking diff3. Compare 3 files line by line. * dir: (coreutils)dir invocation. List directories briefly. * dircolors: (coreutils)dircolors invocation. Color setup for ls. * dirname: (coreutils)dirname invocation. Strip last file name component. * du: (coreutils)du invocation. Report file usage. * echo: (coreutils)echo invocation. Print a line of text. * env: (coreutils)env invocation. Modify the environment. * expand: (coreutils)expand invocation. Convert tabs to spaces. * expr: (coreutils)expr invocation. Evaluate expressions. * factor: (coreutils)factor invocation. Print prime factors * false: (coreutils)false invocation. Do nothing, unsuccessfully. * find: (find)Finding Files. Finding and acting on files. * fmt: (coreutils)fmt invocation. Reformat paragraph text. * fold: (coreutils)fold invocation. Wrap long input lines. * groups: (coreutils)groups invocation. Print group names a user is in. * gunzip: (gzip)Overview. Decompression. * gzexe: (gzip)Overview. Compress executables. * head: (coreutils)head invocation. Output the first part of files. * hostid: (coreutils)hostid invocation. Print numeric host identifier. * hostname: (coreutils)hostname invocation. Print or set system name. * id: (coreutils)id invocation. Print user identity. * ifnames: (autoconf)ifnames Invocation. Listing conditionals in source. * install: (coreutils)install invocation. Copy files and set attributes. * join: (coreutils)join invocation. Join lines on a common field. * kill: (coreutils)kill invocation. Send a signal to processes. * link: (coreutils)link invocation. Make hard links between files. * ln: (coreutils)ln invocation. Make links between files. * locate: (find)Invoking locate. Finding files in a database. * logname: (coreutils)logname invocation. Print current login name. * ls: (coreutils)ls invocation. List directory contents. * md5sum: (coreutils)md5sum invocation. Print or check MD5 digests. * mkdir: (coreutils)mkdir invocation. Create directories. * mkfifo: (coreutils)mkfifo invocation. Create FIFOs (named pipes). * mknod: (coreutils)mknod invocation. Create special files. * mktemp: (coreutils)mktemp invocation. Create temporary files. * mv: (coreutils)mv invocation. Rename files. * nice: (coreutils)nice invocation. Modify niceness. * nl: (coreutils)nl invocation. Number lines and write files. * nohup: (coreutils)nohup invocation. Immunize to hangups. * nproc: (coreutils)nproc invocation. Print the number of processors. * numfmt: (coreutils)numfmt invocation. Reformat numbers. * od: (coreutils)od invocation. Dump files in octal, etc. * paste: (coreutils)paste invocation. Merge lines of files. * patch: (diffutils)Invoking patch. Apply a patch to a file. * pathchk: (coreutils)pathchk invocation. Check file name portability. * pinky: (coreutils)pinky invocation. Print information about users. * pr: (coreutils)pr invocation. Paginate or columnate files. * printenv: (coreutils)printenv invocation. Print environment variables. * printf: (coreutils)printf invocation. Format and print data. * ptx: (coreutils)ptx invocation. Produce permuted indexes. * pwd: (coreutils)pwd invocation. Print working directory. * readlink: (coreutils)readlink invocation. Print referent of a symlink. * realpath: (coreutils)realpath invocation. Print resolved file names. * rm: (coreutils)rm invocation. Remove files. * rmdir: (coreutils)rmdir invocation. Remove empty directories. * runcon: (coreutils)runcon invocation. Run in specified SELinux CTX. * sdiff: (diffutils)Invoking sdiff. Merge 2 files side-by-side. * seq: (coreutils)seq invocation. Print numeric sequences * sha1sum: (coreutils)sha1sum invocation. Print or check SHA-1 digests. * sha2: (coreutils)sha2 utilities. Print or check SHA-2 digests. * shred: (coreutils)shred invocation. Remove files more securely. * shuf: (coreutils)shuf invocation. Shuffling text files. * sleep: (coreutils)sleep invocation. Delay for a specified time. * sort: (coreutils)sort invocation. Sort text files. * split: (coreutils)split invocation. Split into pieces. * stat: (coreutils)stat invocation. Report file(system) status. * stdbuf: (coreutils)stdbuf invocation. Modify stdio buffering. * stty: (coreutils)stty invocation. Print/change terminal settings. * sum: (coreutils)sum invocation. Print traditional checksum. * sync: (coreutils)sync invocation. Sync files to stable storage. * tac: (coreutils)tac invocation. Reverse files. * tail: (coreutils)tail invocation. Output the last part of files. * tar: (tar)tar invocation. Invoking GNU ‘tar’. * tee: (coreutils)tee invocation. Redirect to multiple files. * test: (coreutils)test invocation. File/string tests. * testsuite: (autoconf)testsuite Invocation. Running an Autotest test suite. * timeout: (coreutils)timeout invocation. Run with time limit. * touch: (coreutils)touch invocation. Change file timestamps. * tr: (coreutils)tr invocation. Translate characters. * true: (coreutils)true invocation. Do nothing, successfully. * truncate: (coreutils)truncate invocation. Shrink/extend size of a file. * tsort: (coreutils)tsort invocation. Topological sort. * tty: (coreutils)tty invocation. Print terminal name. * uname: (coreutils)uname invocation. Print system information. * unexpand: (coreutils)unexpand invocation. Convert spaces to tabs. * uniq: (coreutils)uniq invocation. Uniquify files. * unlink: (coreutils)unlink invocation. Removal via unlink(2). * updatedb: (find)Invoking updatedb. Building the locate database. * uptime: (coreutils)uptime invocation. Print uptime and load. * users: (coreutils)users invocation. Print current user names. * vdir: (coreutils)vdir invocation. List directories verbosely. * wc: (coreutils)wc invocation. Line, word, and byte counts. * who: (coreutils)who invocation. Print who is logged in. * whoami: (coreutils)whoami invocation. Print effective user ID. * xargs: (find)Invoking xargs. Operating on many files. * yes: (coreutils)yes invocation. Print a string indefinitely. * zcat: (gzip)Overview. Decompression to stdout. * zdiff: (gzip)Overview. Compare compressed files. * zforce: (gzip)Overview. Force .gz extension on files. * zgrep: (gzip)Overview. Search compressed files. * zmore: (gzip)Overview. Decompression output by pages. Kernel * GRUB: (grub). The GRand Unified Bootloader * grub-install: (grub)Invoking grub-install. Install GRUB on your drive * grub-mkconfig: (grub)Invoking grub-mkconfig. Generate GRUB configuration * grub-mkpasswd-pbkdf2: (grub)Invoking grub-mkpasswd-pbkdf2. * grub-mkrelpath: (grub)Invoking grub-mkrelpath. * grub-mkrescue: (grub)Invoking grub-mkrescue. Make a GRUB rescue image * grub-mount: (grub)Invoking grub-mount. Mount a file system using GRUB * grub-probe: (grub)Invoking grub-probe. Probe device information * grub-script-check: (grub)Invoking grub-script-check. Libraries * History: (history). The GNU history library API. Math * bc: (bc). An arbitrary precision calculator language. Miscellaneous Network applications * Wget: (wget). Non-interactive network downloader. Software development * Autoconf: (autoconf). Create source code configuration scripts. * Autoconf Archive: (autoconf-archive). A collection of reusable Autoconf macros. * Automake: (automake). Making GNU standards-compliant Makefiles. * Gdb: (gdb). The GNU debugger. * Make: (make). Remake files automatically. * gdbserver: (gdb) Server. The GNU debugging server. * sbcl: (sbcl). The Steel Bank Common Lisp compiler System administration * Stow: (stow). GNU Stow. * parted: (parted). GNU partitioning software TeX * LaTeX2e: (latex2e). Unofficial LaTeX reference manual. Texinfo documentation system * Info: (info). How to use the documentation browsing system. * Texinfo: (texinfo). The GNU documentation format. * install-info: (texinfo)Invoking install-info. Update info/dir entries. * makeinfo: (texinfo)Invoking texi2any. Translate Texinfo source. * pdftexi2dvi: (texinfo)PDF Output. PDF output for Texinfo. * pod2texi: (pod2texi)Invoking pod2texi. Translate Perl Pod to Texinfo. * texi2any: (texinfo)Invoking texi2any. Translate Texinfo source. * texi2dvi: (texinfo)Format with texi2dvi. Print Texinfo documents. * texi2pdf: (texinfo)PDF Output. PDF output for Texinfo. * texi2any customization: (texi2any_api). Customizing texi2any output * texi2any modules: (texi2any_internals). Texinfo Perl modules used in texi2any * texindex: (texinfo)Format with tex/texindex. Sort Texinfo index files. Text creation and manipulation * Diffutils: (diffutils). Comparing and merging files. * Gawk: (gawk). A text scanning and processing language. * grep: (grep). Print lines that match patterns. * sed: (sed). Stream EDitor.