diff --git "a/sh/tests/solutions/\"\\?$*'First_file'*$?\\\"" "b/sh/tests/solutions/\"\\?$*'Hard_file'*$?\\\""
similarity index 100%
rename from "sh/tests/solutions/\"\\?$*'First_file'*$?\\\""
rename to "sh/tests/solutions/\"\\?$*'Hard_file'*$?\\\""
diff --git "a/sh/tests/solutions/\"medium_File!\"" "b/sh/tests/solutions/\"medium_File!\""
new file mode 100644
index 000000000..f9406d9c8
--- /dev/null
+++ "b/sh/tests/solutions/\"medium_File!\""
@@ -0,0 +1 @@
+Random text inside!
\ No newline at end of file
diff --git a/sh/tests/solutions/firstFile b/sh/tests/solutions/firstFile
new file mode 100644
index 000000000..f9406d9c8
--- /dev/null
+++ b/sh/tests/solutions/firstFile
@@ -0,0 +1 @@
+Random text inside!
\ No newline at end of file
diff --git a/sh/tests/strange-files_test.sh b/sh/tests/strange-files_test.sh
index 117af30e5..01bcc6987 100755
--- a/sh/tests/strange-files_test.sh
+++ b/sh/tests/strange-files_test.sh
@@ -5,4 +5,6 @@ set -euo pipefail
 IFS='
 '
 
-diff student/\"\\?\$*\'First_file\'*\$?\\\" solutions/\"\\?\$*\'First_file\'*\$?\\\"
+diff student/firstFile solutions/firstFile
+diff student/\"medium_File\!\" solutions/\"medium_File\!\"
+diff student/\"\\?\$*\'Hard_file\'*\$?\\\" solutions/\"\\?\$*\'Hard_file\'*\$?\\\"
diff --git a/subjects/strange-files/README.md b/subjects/devops/strange-files/README.md
similarity index 58%
rename from subjects/strange-files/README.md
rename to subjects/devops/strange-files/README.md
index 13f41c442..d178738be 100644
--- a/subjects/strange-files/README.md
+++ b/subjects/devops/strange-files/README.md
@@ -27,17 +27,36 @@ Example:
 If you want to create a file named `foo!\.txt` You have to escape the characters like so:
 
 ```console
-User-> code foo\!\\.txt
+$ touch foo\!\\.txt
 ```
 
 ### Instructions
 
-Create a file `"\?$*'First_file'*$?\"` that will contain `Random text inside!` and **nothing else**.
+Create a file the following files:
+
+- `firstFile` which contains `Random text inside!` and **nothing else**
+- `"medium_File!"` which contains `Random text inside!` and **nothing else**
+- `"\?$*'Hard_file'*$?\"` which contains `Random text inside!` and **nothing else**.
 
 ### Usage
 
 ```console
-User-> ls | cat -e
-"\?$*'First_file'*$?\"$
-User->
+$ ls | cat -e
+"?$*'First_file'*$?\"$
+firstFile$
+"medium_file!"$
+$
 ```
+
+### Hints
+
+- `ls`. List directory contents.
+- `touch` used to create, change and modify timestamps of a file.
+
+> You have to use Man or Google to know more about commands flags, in order to solve this exercise!
+> Google and Man will be your friends!
+
+### References
+
+- [ls](https://www.gnu.org/software/coreutils/ls).
+- [touch](https://www.gnu.org/software/coreutils/touch).