@H_404_5@
@H_404_5@
输入@H_404_5@ll@H_404_5@命令@H_404_5@@H_404_5@
提示:@H_404_5@@H_404_5@bash: ls:@H_404_5@未找到命令@H_404_5@…@H_404_5@相似命令是:@H_404_5@'lz'@H_404_5@@H_404_5@
@H_404_5@
原因:@H_404_5@
环境变量@H_404_5@PATH被修改了@H_404_5@@H_404_5@
@H_404_5@
export@H_404_5@PATH=/@H_404_5@bin:/usr/@H_404_5@bin:$@H_404_5@PATH@H_404_5@
然后@H_404_5@@H_404_5@ls@H_404_5@@H_404_5@
@H_404_5@