@prefix skos:	<http://www.w3.org/2004/02/skos/core#> .
@prefix isac:	<http://webisa.webdatacommons.org/concept/> .
isac:environment_variable_	skos:broader	isac:shell_command_ .
isac:_command_	skos:broader	isac:shell_command_ .
isac:_cd_	skos:broader	isac:shell_command_ .
isac:_copy_	skos:broader	isac:shell_command_ .
isac:_user_	skos:broader	isac:shell_command_ .
isac:_argument_	skos:broader	isac:shell_command_ .
isac:_pipe_	skos:broader	isac:shell_command_ .