[shell cmd] info

리눅스 명령에 대하여 man 명령어 보다 자세히 보고 싶을 때 사용한다.

$ info gcc

File: *manpages*,  Node: gcc,  Up: (dir)

GCC(1)                                GNU                               GCC(1)

NAME

       gcc - GNU project C and C++ compiler

SYNOPSIS

       gcc [-c|-S|-E] [-std=standard]

           [-g] [-pg] [-Olevel]

           [-Wwarn...] [-pedantic]

           [-Idir...] [-Ldir...]

           [-Dmacro[=defn]...] [-Umacro]

           [-foption...] [-mmachine-option...]

           [-o outfile] [@file] infile...

       Only the most useful options are listed here; see below for the

       remainder.  g++ accepts mostly the same options as gcc.

DESCRIPTION

       When you invoke GCC, it normally does preprocessing, compilation,

       assembly and linking.  The "overall options" allow you to stop this

       process at an intermediate stage.  For example, the -c option says not

       to run the linker.  Then the output consists of object files output by

       the assembler.

       Other options are passed on to one stage of processing.  Some options

       control the preprocessor and others the compiler itself.  Yet other

       options control the assembler and linker; most of these are not

       documented here, since you rarely need to use any of them.

       Most of the command line options that you can use with GCC are useful

       for C programs; when an option is only useful with another language

       (usually C++), the explanation says so explicitly.  If the description

       for a particular option does not mention a source language, you can use

       that option with all supported languages.

       The gcc program accepts options and file names as operands.  Many

       options have multi-letter names; therefore multiple single-letter

       options may not be grouped: -dv is very different from -d -v.

       You can mix options and other arguments.  For the most part, the order