LINUX-Frequently used commands
|rm command Delete file.|
|rm [Option] [file-name]|
|The rm command deletes the specified file..|
Basically, you cannot remove directories, but you can by adding the option “-r”.
It also deletes the entire tree below the directory, so be careful with it.
|Frequently used options|
|-f Do not display a message if you specify a file to which you do not have access rights or which does not exist|
-i Check before deleting a file
-r Removes all trees under the specified directory.
|Example: Delete a file.|
|$ rm data.dat ←Delete the data.dat file|
|Example: Delete files for which you do not have write access.|
|$ rm temp.txt|
rm: remove write-protected normal empty file\`temp.txt\’? y
temp.txt You will get a confirmation message because you do not have permission to write the file (y=delete n=cancel)
|Example: Force deletion of files for which you do not have write access.|
|$ rm -f temp.txt ← Option “-f” to force removal.|
|Example: Removing a directory.|
|$ rm -r dir1 ← Delete the directory “dir1” with the option “-r”|
The rmdir command for directory removal can only be executed if the directory to be removed is empty, but the rm command option ‘-r’ removes files even if they are stored inside.