我上次命令是 ls /dev/a/a/a/a/a/a/a/aa/a这次我想 cat /dev/a/a/a/a/a/a/a/aa/a但是我懒得输入这么多a ,我记得有快捷键的,........................谢谢哈我的意思是我先输入cat 然后再用快捷键补齐 /dev/a/a/a/a/a/a/a/aa/a,我记得马哥讲过的,但是忘了,谢谢哈