touch new file touch filename such as:touch file1 New file named File1 in the current directory Note: 1) The same directory cannot create a file with the same name 2) the file name of Linux is case-sensitive mv Modify the file name (or the name of the directory), move the path mv old file name new file name ======= Modify the file name mv old directory name New directory name ======= "Modify directory name mv file name directory name ======= "Move path cp ( copy abbreviation) Copy file (directory) 1) cp source file name Target file name cp file1 file2 Copy the file file1 the current directory to file22) cp source file name destination directory name 3)  CP Source directory name destination directory name cp -r dira dirb copy all contents of Dira directory to DIRB where,-R is recursive replication 4) cp -i file2 dira if Dira below has the same name as the file file2, then join-I will ask you if you are sure to overwrite the original file before deleting note: CP commonly used options are,-i,-r,-f,-d and so on. rm (remove ) Delete file or directory 1) rm file12) rm -i file2 ask you to confirm whether to agree to delete before deleting Y agrees; n means undelete 3) rm -r dira Delete directory dira4)  RM -IR DIRB Note: 1. Delete the file (directory) before asking yourself, whether the file (directory) can be deleted 2.rm commonly used parameters,-i,-r,-f and so on.
This article from "Van Gogh said my brain is sick" blog, declined reprint!
Touch, MV, CP, RM in Linux