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: GNU Libraries * libgomp: (libgomp). GNU Offloading and Multi Processing Runtime Library. * libitm: (libitm). GNU Transactional Memory Library * libquadmath: (libquadmath). GCC Quad-Precision Math Library Software development * Cpp: (cpp). The GNU C preprocessor. * Cpplib: (cppinternals). Cpplib internals. * g++: (gcc). The GNU C++ compiler. * gcc: (gcc). The GNU Compiler Collection. * gccinstall: (gccinstall). Installing the GNU Compiler Collection. * gccint: (gccint). Internals of the GNU Compiler Collection. * gcov: (gcc) Gcov. 'gcov'--a test coverage program. * gcov-dump: (gcc) Gcov-dump. 'gcov-dump'--an offline gcda and gcno profile dump tool. * gcov-tool: (gcc) Gcov-tool. 'gcov-tool'--an offline gcda profile processing program. * gfortran: (gfortran). The GNU Fortran Compiler. * lto-dump: (gcc) lto-dump. 'lto-dump'--Tool for dumping LTO object files.