...section: $ apropos -s 9 . Search for manuals in the library section mentioning both the "optind" and the "optarg" variables: $ apropos -s 3 Va=optind -a Va=optarg Do exactly the…...section: $ apropos -s 9 . Search for manuals in the library section mentioning both the "optind" and the "optarg" variables: $ apropos -s 3 Va=optind -a Va=optarg Do exactly the…command interpreter (shell) NAME dash — command interpreter (shell) SYNOPSIS dash [ -aCefnuvxIimqVEbp ] [ +aCefnuvxIimqVEbp ] [ -o option_name ] [ +o option_name ] [ command_file […command interpreter (shell) NAME dash — command interpreter (shell) SYNOPSIS dash [ -aCefnuvxIimqVEbp ] [ +aCefnuvxIimqVEbp ] [ -o option_name ] [ +o option_name ] [ command_file […GNU Bourne-Again SHell NAME bash - GNU Bourne-Again SHell SYNOPSIS bash [options] [command_string | file] COPYRIGHT Bash is Copyright (C) 1989-2022 by the Free Software Foundation,…