初学求教,
[root@StudyLinux tmp]# ls
1.txt 3.txt 5.txt ks-script-JKp08e vmware-root_796-2991202916 vmware-root_978-2957649101
2.txt 4.txt as.txt vmware-root_785-4282170929 vmware-root_845-4021653450 yum.log
[root@StudyLinux tmp]# rm -rf /tmp/
[root@StudyLinux tmp]# ls
[root@StudyLinux tmp]# touch {a..d}.txt
touch: cannot touch ‘a.txt’: No such file or directory
touch: cannot touch ‘b.txt’: No such file or directory
touch: cannot touch ‘c.txt’: No such file or directory
touch: cannot touch ‘d.txt’: No such file or directory
[root@StudyLinux tmp]#