RM command – remove file or directory

rm It's a common command , The function of this command is to delete one or more files or directories in a directory , It can also delete a directory and all its files and subdirectories . For linked files , Just deleted the link , The original files remain unchanged . rm It's also a dangerous order , Be careful when using , Especially for beginners , Otherwise, the whole system will be destroyed by this command （ For example /（ root directory ） perform rm * -rf）. therefore , We're executing rm It's better to confirm which directory you are in , What exactly do you want to delete , Keep a high level of clear mind when operating .

Grammar format ：rm [ Parameters ] [ file ]

Common parameters ：

-f	Ignore nonexistent files , There will be no warning messages
-i	Before deleting, the user will be asked whether to operate
-r/R	Recursive delete
-v	Display the detailed execution process of the instruction

Reference examples

One by one asked to confirm before deleting ：

[[email protected] ~]# rm -i test.txt.bz2 
rm: remove regular file `test.txt.bz2'? 

Delete directly , There will be no hint ：

[[email protected] ~]# rm -f test.txt.bz2  

Recursively delete the directory and all files under the directory ：

[[email protected] ~]# mkdir /data/log
[[email protected] ~]# rm -rf /data/log

Delete all files in the current directory ：

[[email protected] ~]# rm -rf *

Empty all files in the system （ cautious ）：

[[email protected] ~]# rm -rf /*