格式：rm [OPTION]… FILE…
-r：递归方式删除目录(含目录下的文件)
-f：强制直接删除不需要用户确认
-v：显示指令的详细执行过程
-r：递归方式删除目录(含目录下的文件)
-f：强制直接删除不需要用户确认
-v：显示指令的详细执行过程
删除指定文件
[root@localhost tmp]# pwd /tmp [root@localhost tmp]# ll /tmp/ total 4 drwxr-xr-x 2 root root 6 Nov 28 2017 rty drwx------ 3 root root 16 Dec 1 2017 systemd-private-67f03791c3f34110b44cc9fe6c96389d-vmtoolsd.service-Nfell2 -rw-r--r-- 1 root root 0 Feb 14 20:33 test1.txt -rw-r--r-- 1 root root 0 Feb 12 21:00 test.txt drwxr-xr-x 4 root root 24 Feb 14 20:43 z [root@localhost tmp]# rm test1.txt rm: remove regular empty file ‘test1.txt’? y [root@localhost tmp]# ll /tmp/ total 4 drwxr-xr-x 2 root root 6 Nov 28 2017 rty drwx------ 3 root root 16 Dec 1 2017 systemd-private-67f03791c3f34110b44cc9fe6c96389d-vmtoolsd.service-Nfell2 -rw-r--r-- 1 root root 0 Feb 12 21:00 test.txt drwxr-xr-x 4 root root 24 Feb 14 20:43 z [root@localhost tmp]#
-f：强制直接删除不需要用户确认
[root@localhost tmp]# ll /tmp/ total 4 drwxr-xr-x 2 root root 6 Nov 28 2017 rty drwx------ 3 root root 16 Dec 1 2017 systemd-private-67f03791c3f34110b44cc9fe6c96389d-vmtoolsd.service-Nfell2 -rw-r--r-- 1 root root 0 Feb 12 21:00 test.txt drwxr-xr-x 4 root root 24 Feb 14 20:43 z [root@localhost tmp]# rm -f test.txt [root@localhost tmp]# ll /tmp/ total 4 drwxr-xr-x 2 root root 6 Nov 28 2017 rty drwx------ 3 root root 16 Dec 1 2017 systemd-private-67f03791c3f34110b44cc9fe6c96389d-vmtoolsd.service-Nfell2 drwxr-xr-x 4 root root 24 Feb 14 20:43 z [root@localhost tmp]#
-r：递归方式删除目录(含目录下的文件)
[root@localhost tmp]# tree /tmp/
/tmp/
├── rty
├── systemd-private-67f03791c3f34110b44cc9fe6c96389d-vmtoolsd.service-Nfell2
│ └── tmp
└── z
├── poi
│ └── 1
│ └── 2
│ └── 3
│ └── 4
│ └── 5
└── x
└── c
└── v
└── b
14 directories, 1 file
[root@localhost tmp]# rm -r /tmp/z/poi/
rm: descend into directory ‘/tmp/z/poi/’? y
rm: descend into directory ‘/tmp/z/poi/1’? y
rm: descend into directory ‘/tmp/z/poi/1/2’? y
rm: descend into directory ‘/tmp/z/poi/1/2/3’? y
rm: descend into directory ‘/tmp/z/poi/1/2/3/4’? y
rm: remove directory ‘/tmp/z/poi/1/2/3/4/5’? y
rm: remove directory ‘/tmp/z/poi/1/2/3/4’? y
rm: remove directory ‘/tmp/z/poi/1/2/3’? y
rm: remove directory ‘/tmp/z/poi/1/2’? y
rm: remove directory ‘/tmp/z/poi/1’? y
rm: remove directory ‘/tmp/z/poi/’? y
[root@localhost tmp]# tree /tmp/
/tmp/
├── rty
├── systemd-private-67f03791c3f34110b44cc9fe6c96389d-vmtoolsd.service-Nfell2
│ └── tmp
└── z
└── x
└── c
└── v
└── b
8 directories, 1 file
-rf：直接删除目录(含目录下的文件)无需用户确认
此方式有很大的安全隐患，操作务必谨慎！！！
[root@localhost tmp]# tree /tmp/
/tmp/
├── rty
├── systemd-private-67f03791c3f34110b44cc9fe6c96389d-vmtoolsd.service-Nfell2
│ └── tmp
└── z
└── x
└── c
└── v
└── b
8 directories, 1 file
[root@localhost tmp]# rm -rf /tmp/z/
[root@localhost tmp]# tree /tmp/
/tmp/
├── rty
└── systemd-private-67f03791c3f34110b44cc9fe6c96389d-vmtoolsd.service-Nfell2
└── tmp
3 directories, 1 file
[root@localhost tmp]#
-v：显示指令的详细执行过程
[root@localhost tmp]# rm -fv test*.txt removed 'test10.txt' removed 'test1.txt' removed 'test2.txt' removed 'test3.txt' removed 'test4.txt' removed 'test5.txt' removed 'test6.txt' removed 'test7.txt' removed 'test8.txt' removed 'test9.txt'
Ubuntu系统请配合sudo使用(sudo rm)
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