diff --git a/c-sysprog-linux-courses.md b/c-sysprog-linux-courses.md
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+# C, Systems Programming and UNIX/Linux courses
+
+We started practicing C, Systems Programming and UNIX/Linux courses which is written by Kaan Aslan who is the president of C and Systems Programmer Association. Please see https://csystem.org for the association web site.
+
+Our forge addresses are :
+
+* https://codeberg.org/hwpplayer1/c-course 
+* https://git.disroot.org/hwpplayer1/c-course
+* https://git.vern.cc/hwpplayer1/c-course
+* https://git.sr.ht/~mertgor/c-course
+* https://gitlab.com/hwpplayer1/c-course
+* https://github.com/hwpplayer1/c-course
+
+**happy hacking!...**
diff --git a/c-sysprog-linux-courses.md~ b/c-sysprog-linux-courses.md~
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+# C, Systems Programming and UNIX/Linux courses
+
+We started practicing C, Systems Programming and UNIX/Linux courses which is written by Kaan Aslan who is the president of C and Systems Programmer Association. Please see https://csystem.org for the association web site.
+
+Our forge addresses are :
+
+* https://codeberg.org/hwpplayer1/c-course 
+* https://git.disroot.org/hwpplayer1/c-course
+* https://git.vern.cc/hwpplayer1/c-course
+* https://git.sr.ht/~mertgor/c-course
+* https://gitlab.com/hwpplayer1/c-course
+* https://github.com/hwpplayer1/c-course