fix(devops): fixing typos and changing perms in the exercise hard-perm

sh/tests/hard-perm_test.sh

@@ -6,7 +6,7 @@ IFS='
 '
 script_dirS=$(cd -P "$(dirname "$BASH_SOURCE")" &>/dev/null && pwd)
 
-chmod 303 hard-perm/*
+chmod 776 hard-perm/*
 
 challenge() {
     submitted=$(bash "$script_dirS"/student/hard-perm.sh && ls -l "$1" | awk '{print $1}')

subjects/devops/hard-perm/README.md

@@ -2,7 +2,7 @@
 
 ### Instructions
 
-Create a file `hard-perm.sh`, which will change the default permissions for the files and folders inside the folder `hard-perms`, to the ones bellow:
+Create a file `hard-perm.sh`, which will change the default permissions for the files and folders inside the folder `hard-perm`, to the ones bellow:
 
 Right now the folder looks like this:
 

subjects/devops/strange-files/README.md

@@ -12,7 +12,7 @@ Create the following files:
 
 ```console
 $ ls | cat -e
-"?$*'First_file'*$?\"$
+"?$*'Hard_file'*$?\"$
 firstFile$
 "medium_file!"$
 $