Linux第二週學習筆記(6)

Linux第二週學習筆記(6)安全


2.12.MV命令ide

mv命令:用來對文件或目錄從新命名,或者將文件從一個目錄移到另外一個目錄中。學習

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文件改名:把/tmp/目錄裏面的01.txt更名爲01.1.txtip

[root@daizhihong01 ~]# ls /tmp/it

01.txtclass

daizhihongfile

daizhihong1學習筆記

daizhihong3yum

ks-script-9pf2WE

yum.log

[root@daizhihong01 ~]# cd /tmp/

[root@daizhihong01 tmp]# mv 01.txt 01.1.txt(把01.txt名稱改成01.1.txt

[root@daizhihong01 tmp]# ls /tmp/

01.1.txt

daizhihong

daizhihong1

daizhihong3

ks-script-9pf2WE

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把文件移動到其它分區而且更名字:

/tmp/目錄下的01.1.txt文件移動到root分區下而且把01.1.txt更名爲02.txt

[root@daizhihong01 tmp]# ls

01.1.txt

daizhihong

daizhihong1

daizhihong3

ks-script-9pf2WE

 [root@daizhihong01 tmp]# mv 01.1.txt /root/02.txt(把/tmp/目錄下的01.1.txt文件移動到root分區下而且把01.1.txt更名爲02.txt

[root@daizhihong01 tmp]# ls

daizhihong

daizhihong1

daizhihong3

ks-script-9pf2WE

[root@daizhihong01 tmp]# ls /root/

02.txt  anaconda-ks.cfg01.1.txt已經移動到/root/目錄下而且改名爲02.txt

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把文件移動到目錄下:把/tmp/目錄下的11.txt文件移動到/tmp/daizhihong/目錄下

[root@daizhihong01 tmp]# tree daizhihong/

daizhihong/

0 directories, 0 files

[root@daizhihong01 tmp]# ls

11.txt

daizhihong

daizhihong1

daizhihong3

ks-script-9pf2WE

yum.log

[root@daizhihong01 tmp]# mv 11.txt daizhihong/

 [root@daizhihong01 tmp]# ls

daizhihong

daizhihong1

daizhihong3

ks-script-9pf2WE

yum.log

[root@daizhihong01 tmp]# tree daizhihong/

daizhihong/

└── 11.txt

0 directories, 1 file

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-i」的參數:在咱們使用which查詢命令絕對路徑的時候會出現一個「-i」的參數,這個參數的意義是一個安全參數,詢問是否執行就是由於加了「-i」的參數

[root@daizhihong01 tmp]# touch 11.txt

[root@daizhihong01 tmp]# ls

11.txt

daizhihong

daizhihong1

daizhihong3

ks-script-9pf2WE

yum.log

[root@daizhihong01 tmp]# mv 11.txt daizhihong/

mv:是否覆蓋"daizhihong/11.txt" n((加了「-i」參數就會提示是否須要覆蓋或者執行rm命令的時候是否須要刪除,因此「-i」是一個安全參數))

鍵入命令的時候不詢問命令格式以下:

[root@daizhihong01 tmp]# /usr/bin/mv 11.txt daizhihong/使用

[root@daizhihong01 tmp]#

絕對路徑命令格式執行就不會提示詢問,直接覆蓋

[root@daizhihong01 tmp]# ls

daizhihong

daizhihong1

daizhihong3

ks-script-9pf2WE

yum.log

[root@daizhihong01 tmp]# ls daizhihong

11.txt

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移動目錄:把/tmp/daizhizhong1/目錄移動到/tmp/daizhizhong/目錄下,若是該目錄存在,則會把源文件或目錄移動到該目錄當中

[root@daizhihong01 tmp]# ls

daizhihong

daizhihong1

daizhihong3

ks-script-9pf2WE

[root@daizhihong01 tmp]#  mv daizhihong1/ daizhong/

[root@daizhihong01 tmp]# ls

daizhihong

daizhihong3

daizhong

ks-script-9pf2WE

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目錄移動的時候目標目錄不存在,就會把源目錄從命名爲給定的目標文件名

[root@daizhihong01 tmp]# ls

Daizhihong(源文件)

daizhihong3

daizhong

ks-script-9pf2WE

yum.log

[root@daizhihong01 tmp]# mv daizhihong/ daizhihong2/

[root@daizhihong01 tmp]# ls

daizhihong2(源目錄從命名爲給定的目標文件名)

daizhihong3

daizhong

ks-script-9pf2WE

yum.log

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移動時目標目錄存在的時候,就會把原目錄放到目標目錄下面

[root@daizhihong01 tmp]# ls

daizhihong2

daizhihong3

daizhong

ks-script-9pf2WE

yum.log

[root@daizhihong01 tmp]# mv daizhihong2/ daizhong/

[root@daizhihong01 tmp]# ls

daizhihong3

daizhong

ks-script-9pf2WE

yum.log

[root@daizhihong01 tmp]# ls daizhong/目標目錄

01  daizhihong  daizhihong2(原目錄)

[root@daizhihong01 tmp]#

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移動目錄時時若是該目錄存在則會詢問是否覆蓋

[root@daizhihong01 tmp]# rm daizhhong/

rm: 沒法刪除"daizhhong/": 沒有那個文件或目錄

[root@daizhihong01 tmp]# mkdir daizhihong

[root@daizhihong01 tmp]# touch daizhihong/01.txt

[root@daizhihong01 tmp]# tree daizhihong/

daizhihong/

└── 01.txt

0 directories, 1 file

[root@daizhihong01 tmp]# tree daizhihong3

daizhihong3

└── daizhihong

    └── 11.txt

1 directory, 1 file

 [root@daizhihong01 tmp]# mv daizhihong/ daizhihong3/

mv:是否覆蓋"daizhihong3/daizhihong" y

mv: 沒法將"daizhihong/" 移動至"daizhihong3/daizhihong": 文件已存在

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