作业
创建好作业后,先进入文件夹/home/acs/homework/lesson_1/,然后:
(0) 进入homework_0文件夹,分别创建文件夹dir_a, dir_b, dir_c
(1) 进入homework_1文件夹,将a.txt, b.txt, c.txt 分别复制成: a.txt.bak, b.txt.bak, c.txt.bak
(2) 进入homework_2文件夹,将a.txt, b.txt, c.txt 分别重命名为: a_new.txt, b_new.txt, c_new.txt
(3) 进入homework_3文件夹,将dir_a文件夹下的a.txt, b.txt, c.txt分别移动到文件夹dir_b下
(4) 进入homework_4文件夹,将普通文件a.txt, b.txt, c.txt删除
(5) 进入homework_5文件夹,将文件夹dir_a, dir_b, dir_c删除
(6) 进入homework_6文件夹,查看task.txt的内容,并按其指示进行操作
(7) 进入homework_7文件夹,创建文件夹dir_0, dir_1, dir_2,
将a.txt, b.txt, c.txt复制到dir_0下,重命名为a0.txt, b0.txt, c0.txt;
将a.txt, b.txt, c.txt复制到dir_1下,重命名为a1.txt, b1.txt, c1.txt;
将a.txt, b.txt, c.txt复制到dir_2下,重命名为a2.txt, b2.txt, c2.txt;
(8) 进入homework_8文件夹,分别在dir_a, dir_b, dir_c文件夹下查看task.txt的内容,并分别按照指示进行操作
(9) 进入homework_9文件夹,将其中所有txt类型的文件删除
完成
(0)
acs@f525ec90de76:~$ homework 1 create
acs@f525ec90de76:~$ cd homework/lesson_1/homework_0
acs@f525ec90de76:~/homework/lesson_1/homework_0$ mkdir dir_a dir_b dir_c
acs@f525ec90de76:~/homework/lesson_1/homework_0$ ls
dir_a dir_b dir_c
(1)
acs@f525ec90de76:~/homework/lesson_1/homework_0$ cd
acs@f525ec90de76:~$ cd homework/lesson_1/homework_1
acs@f525ec90de76:~/homework/lesson_1/homework_1$ cp a.txt a.txt.bak
acs@f525ec90de76:~/homework/lesson_1/homework_1$ cp b.txt b.txt.bak
acs@f525ec90de76:~/homework/lesson_1/homework_1$ cp c.txt c.txt.bak
(2)
acs@f525ec90de76:~/homework/lesson_1/homework_1$ cd ../homework_2
acs@f525ec90de76:~/homework/lesson_1/homework_2$ mv a.txt a_new.txt
acs@f525ec90de76:~/homework/lesson_1/homework_2$ mv b.txt b_new.txt
acs@f525ec90de76:~/homework/lesson_1/homework_2$ mv c.txt c_new.txt
(3)
acs@f525ec90de76:~/homework/lesson_1/homework_2$ cd ../homework_3
acs@f525ec90de76:~/homework/lesson_1/homework_3$ ls
dir_a dir_b
acs@f525ec90de76:~/homework/lesson_1/homework_3$ cd dir_a
acs@f525ec90de76:~/homework/lesson_1/homework_3/dir_a$ ls
a.txt b.txt c.txt
acs@f525ec90de76:~/homework/lesson_1/homework_3/dir_a$ cd ..
acs@f525ec90de76:~/homework/lesson_1/homework_3$ mv dir_a/* dir_b
acs@f525ec90de76:~/homework/lesson_1/homework_3$ cd dir_a
acs@f525ec90de76:~/homework/lesson_1/homework_3/dir_a$ ls
acs@f525ec90de76:~/homework/lesson_1/homework_3/dir_a$ cd ..
acs@f525ec90de76:~/homework/lesson_1/homework_3$ dir
dir dircolors dirmngr dirmngr-client dirname dirs
acs@f525ec90de76:~/homework/lesson_1/homework_3$ cd dir_b
acs@f525ec90de76:~/homework/lesson_1/homework_3/dir_b$ ls
a.txt b.txt c.txt
(4)
acs@f525ec90de76:~/homework/lesson_1/homework_3/dir_b$ cd ..
acs@f525ec90de76:~/homework/lesson_1/homework_3$ cd ../homework_4
acs@f525ec90de76:~/homework/lesson_1/homework_4$ ls
a.txt b.txt c.txt
acs@f525ec90de76:~/homework/lesson_1/homework_4$ rm *
acs@f525ec90de76:~/homework/lesson_1/homework_4$ ls
(5)
acs@f525ec90de76:~/homework/lesson_1/homework_4$ cd ../homework_5
acs@f525ec90de76:~/homework/lesson_1/homework_5$ ls
dir_a dir_b dir_c
acs@f525ec90de76:~/homework/lesson_1/homework_5$ rm dir_a dir_b dir_c -r
acs@f525ec90de76:~/homework/lesson_1/homework_5$ ls
(6)
acs@f525ec90de76:~/homework/lesson_1/homework_5$ cd ../homework_6
acs@f525ec90de76:~/homework/lesson_1/homework_6$ ls
task.txt
acs@f525ec90de76:~/homework/lesson_1/homework_6$ cat task.txt
将task.txt重命名为done.txt, 创建目录dir_a,将done.txt移动到目录dir_a下
acs@f525ec90de76:~/homework/lesson_1/homework_6$ mv task.txt done.txt
acs@f525ec90de76:~/homework/lesson_1/homework_6$ mkdir dir_a
acs@f525ec90de76:~/homework/lesson_1/homework_6$ ls
dir_a done.txt
acs@f525ec90de76:~/homework/lesson_1/homework_6$ mv done.txt dir_a/
acs@f525ec90de76:~/homework/lesson_1/homework_6$ ls
dir_a
acs@f525ec90de76:~/homework/lesson_1/homework_6$ cd dir_a/
acs@f525ec90de76:~/homework/lesson_1/homework_6/dir_a$ ls
done.txt
(7)
acs@f525ec90de76:~/homework/lesson_1/homework_6/dir_a$ cd
acs@f525ec90de76:~$ cd homework/lesson_1/homework_7
acs@f525ec90de76:~/homework/lesson_1/homework_7$ ls
a.txt b.txt c.txt
acs@f525ec90de76:~/homework/lesson_1/homework_7$ mkdir dir_0 dir_1 dir-2
acs@f525ec90de76:~/homework/lesson_1/homework_7$ ls
a.txt b.txt c.txt dir-2 dir_0 dir_1
acs@f525ec90de76:~/homework/lesson_1/homework_7$ cp a.txt b.txt c.txt dir_0
acs@f525ec90de76:~/homework/lesson_1/homework_7$ cd dir_0
acs@f525ec90de76:~/homework/lesson_1/homework_7/dir_0$ ls
a.txt b.txt c.txt
acs@f525ec90de76:~/homework/lesson_1/homework_7/dir_0$ mv a.txt b.txt c.txt a0.txt b0.txt c0.txt
mv: target 'c0.txt' is not a directory
acs@f525ec90de76:~/homework/lesson_1/homework_7/dir_0$ mv a.txt a0.txt
acs@f525ec90de76:~/homework/lesson_1/homework_7/dir_0$ mv b.txt c.txt b0.txt c0.txt
mv: target 'c0.txt' is not a directory
acs@f525ec90de76:~/homework/lesson_1/homework_7/dir_0$ mv b.txt b0.txt c.txt c0.txt
mv: target 'c0.txt' is not a directory
acs@f525ec90de76:~/homework/lesson_1/homework_7/dir_0$ mv b.txt b0.txt
acs@f525ec90de76:~/homework/lesson_1/homework_7/dir_0$ mv c.txt c0.txt
acs@f525ec90de76:~/homework/lesson_1/homework_7/dir_0$ ls
a0.txt b0.txt c0.txt
acs@f525ec90de76:~/homework/lesson_1/homework_7/dir_0$ cd ..
acs@f525ec90de76:~/homework/lesson_1/homework_7$ ls
a.txt b.txt c.txt dir-2 dir_0 dir_1
acs@f525ec90de76:~/homework/lesson_1/homework_7$ cp a.txt b.txt c.txt dir_1/a1.txt dir_1/b1.txt dir_1/c1.txt
cp: target 'dir_1/c1.txt' is not a directory
acs@f525ec90de76:~/homework/lesson_1/homework_7$ cp a.txt dir_1/a1.txt
acs@f525ec90de76:~/homework/lesson_1/homework_7$ cp b.txt dir_1/b1.txt
acs@f525ec90de76:~/homework/lesson_1/homework_7$ cp c.txt dir_1/c1.txt
acs@f525ec90de76:~/homework/lesson_1/homework_7$ cd dir_1
acs@f525ec90de76:~/homework/lesson_1/homework_7/dir_1$ ls
a1.txt b1.txt c1.txt
acs@f525ec90de76:~/homework/lesson_1/homework_7/dir_1$ cd ..
acs@f525ec90de76:~/homework/lesson_1/homework_7$ cp a.txt dir_2/a2.txt
cp: cannot create regular file 'dir_2/a2.txt': No such file or directory
acs@f525ec90de76:~/homework/lesson_1/homework_7$ mv dir-2 dir_2
acs@f525ec90de76:~/homework/lesson_1/homework_7$ ls
a.txt b.txt c.txt dir_0 dir_1 dir_2
acs@f525ec90de76:~/homework/lesson_1/homework_7$ cp a.txt dir_2/a2.txt
acs@f525ec90de76:~/homework/lesson_1/homework_7$ cp b.txt dir_2/b2.txt
acs@f525ec90de76:~/homework/lesson_1/homework_7$ cp c.txt dir_2/c2.txt
acs@f525ec90de76:~/homework/lesson_1/homework_7$ cd dir_2
acs@f525ec90de76:~/homework/lesson_1/homework_7/dir_2$ ls
a2.txt b2.txt c2.txt
(8)
acs@f525ec90de76:~/homework/lesson_1/homework_8$ cat dir_a/task.txt
将a.txt删除
acs@f525ec90de76:~/homework/lesson_1/homework_8$ cd dir_a
acs@f525ec90de76:~/homework/lesson_1/homework_8/dir_a$ ls
a.txt task.txt
acs@f525ec90de76:~/homework/lesson_1/homework_8/dir_a$ rm a.txt
acs@f525ec90de76:~/homework/lesson_1/homework_8/dir_a$ cd ..
acs@f525ec90de76:~/homework/lesson_1/homework_8$ cd dir_b
acs@f525ec90de76:~/homework/lesson_1/homework_8/dir_b$ ls
b.txt task.txt
acs@f525ec90de76:~/homework/lesson_1/homework_8/dir_b$ cat task.txt
将b.txt重命名为b_new.txt
acs@f525ec90de76:~/homework/lesson_1/homework_8/dir_b$ mv b.txt b_new.txt
acs@f525ec90de76:~/homework/lesson_1/homework_8/dir_b$ ls
b_new.txt task.txt
acs@f525ec90de76:~/homework/lesson_1/homework_8/dir_b$ cd ..
acs@f525ec90de76:~/homework/lesson_1/homework_8$ cd dir_c
acs@f525ec90de76:~/homework/lesson_1/homework_8/dir_c$ ls
c.txt task.txt
acs@f525ec90de76:~/homework/lesson_1/homework_8/dir_c$ cat task.txt
将c.txt复制成c.txt.bak
acs@f525ec90de76:~/homework/lesson_1/homework_8/dir_c$ cp c.txt c.txt.bak
acs@f525ec90de76:~/homework/lesson_1/homework_8/dir_c$ ls
c.txt c.txt.bak task.txt
(9)
acs@f525ec90de76:~/homework/lesson_1/homework_8/dir_c$ cd
acs@f525ec90de76:~$ cd homework/lesson_1/homework_9
acs@f525ec90de76:~/homework/lesson_1/homework_9$ ls
file_0.dmg file_11.txt file_14.doc file_17.ppt file_2.doc file_22.doc file_25.ppt file_28.dmg file_4.dmg file_7.txt
file_1.ppt file_12.dmg file_15.txt file_18.doc file_20.dmg file_23.txt file_26.doc file_29.ppt file_5.ppt file_8.dmg
file_10.doc file_13.ppt file_16.dmg file_19.txt file_21.ppt file_24.dmg file_27.txt file_3.txt file_6.doc file_9.ppt
acs@f525ec90de76:~/homework/lesson_1/homework_9$ rm *.txt
acs@f525ec90de76:~/homework/lesson_1/homework_9$ ls
file_0.dmg file_10.doc file_13.ppt file_16.dmg file_18.doc file_20.dmg file_22.doc file_25.ppt file_28.dmg file_4.dmg file_6.doc file_9.ppt
file_1.ppt file_12.dmg file_14.doc file_17.ppt file_2.doc file_21.ppt file_24.dmg file_26.doc file_29.ppt file_5.ppt file_8.dmg