Day2-李泽平-Linux初学

bio08@ecm-cefa:~$ pwd
/home/bio08
bio08@ecm-cefa:~$ mkdir biosoft
bio08@ecm-cefa:~$ mkdir project
bio08@ecm-cefa:~$ mkdir tmp
bio08@ecm-cefa:~$ mkdir src #存放源代码
bio08@ecm-cefa:~$ ls
biosoft  project  src  tmp
bio08@ecm-cefa:~$ cd tmp
bio08@ecm-cefa:~/tmp$ pwd
/home/bio08/tmp
bio08@ecm-cefa:~/tmp$ cd
bio08@ecm-cefa:~$ mkdir rm_test
bio08@ecm-cefa:~$ cd rm_rmtest
-bash: cd: rm_rmtest: No such file or directory
bio08@ecm-cefa:~$ cd rm_test
bio08@ecm-cefa:~/rm_test$ 
bio08@ecm-cefa:~/rm_test$ touch doodle.txt
bio08@ecm-cefa:~/rm_test$ rm_doodle.txt
rm_doodle.txt: command not found
bio08@ecm-cefa:~/rm_test$ rm doodle.txt
bio08@ecm-cefa:~/rm_test$ 
bio08@ecm-cefa:~/rm_test$ mkdir huahua
bio08@ecm-cefa:~/rm_test$ cd huahua
bio08@ecm-cefa:~/rm_test/huahua$ rmdir huahua
rmdir: failed to remove 'huahua': No such file or directory
bio08@ecm-cefa:~/rm_test/huahua$ cd -
/home/bio08/rm_test
bio08@ecm-cefa:~/rm_test$ rmdir huahua
bio08@ecm-cefa:~/rm_test$ cd
bio08@ecm-cefa:~$ rmdir rm_test
bio08@ecm-cefa:~$ cd tmp
bio08@ecm-cefa:~/tmp$ vi day2.txt
bio08@ecm-cefa:~/tmp$ cp day2.txt new_file.txt
bio08@ecm-cefa:~/tmp$ cat new_file.txt
I am LiZeping, from PKUHSC.Nice to learn linux with all of you.I am LiZeping, from PKUHSC.Nice to learn linux with all of you.
bio08@ecm-cefa:~/tmp$ q

Command 'q' not found, but can be installed with:

snap install q                       # version 1.6.3-1, or
apt  install python-q-text-as-data 
apt  install python3-q-text-as-data

See 'snap info q' for additional versions.

bio08@ecm-cefa:~/tmp$ mv new_file.txt home.txt
bio08@ecm-cefa:~/tmp$ mv home.txt ~
bio08@ecm-cefa:~/tmp$