diff --git a/donation.txt b/donation.txt
new file mode 100644
index 0000000..8587615
--- /dev/null
+++ b/donation.txt
@@ -0,0 +1,14 @@
+
+Donation
+--------
+
+  If you are satisfied with this program and want to donate to me, please visit
+the following URL.
+
+    http://www.os2.kr/komh/os2factory/
+
+  Or, please click the Ads in the following blog.
+
+    https://lvzuufx.blogspot.com/
+
+KO Myung-Hun
diff --git a/os2compat.txt b/os2compat.txt
new file mode 100644
index 0000000..b6b1253
--- /dev/null
+++ b/os2compat.txt
@@ -0,0 +1,25 @@
+                          Upload Information Template for Hobbes.nmsu.edu
+                          ===============================================
+
+        Archive Filename: os2compat-@VER@.zip
+       Short Description: os2compat v@VER@
+        Long Description: os2compat v@VER@
+Supplementary library for missing features in OS/2 kLIBC.
+
+      Proposed directory
+           for placement: /pub/os2/dev/unix
+
+               Your name: KO Myung-Hun
+           Email address: komh@chollian.net
+    Program contact name: (same)
+   Program contact email: (same)
+             Program URL: https://github.com/komh/os2compat
+
+      Would you like the
+   contact email address
+    included in listings? yes
+
+Operating System/Version:
+ Additional requirements: kLIBC v0.6.6
+
+                Replaces: (none)
diff --git a/pack.cmd b/pack.cmd
new file mode 100644
index 0000000..abf58d6
--- /dev/null
+++ b/pack.cmd
@@ -0,0 +1,81 @@
+/* pack.cmd to package a project using GNU Make/GCC build system and git */
+
+call setlocal
+
+/****** Configuration parts begin ******/
+
+sPackageName = 'os2compat'
+sRepoDir = '.'
+
+sVerMacro = ''
+sVerHeader = ''
+
+sDistFiles = 'README' '/',
+             'donation.txt' '/'
+
+/****** Configuration parts end ******/
+
+'echo' 'on'
+
+sCmd = 'sh' '-c' '"date +%%y.%%m.%%d"'
+sVer = getOutput( sCmd )
+sPackageNameVer = sPackageName || '-' || sVer
+
+'sed' '-e' 's/@VER@/' || sVer || '/g',
+       sPackageName || '.txt' '>' sPackageNameVer || '.txt'
+
+sDistFiles = sDistFiles,
+             sPackageNameVer || '.txt' '/.'
+
+'mkdir' sPackageNameVer
+
+'gmake' 'clean'
+'gmake' 'RELEASE=1'
+'gmake' 'install' 'PREFIX=/usr' 'DESTDIR=' || sPackageNameVer
+
+do while strip( sDistFiles ) \= ''
+    parse value sDistFiles with sSrc sDestDir sDistFiles
+
+    'ginstall' '-d' sPackageNameVer || sDestDir
+    'ginstall' sRepoDir || '/' || sSrc sPackageNameVer || sDestDir
+end
+
+'git' 'tag' '-d' sVer '>nul' '2>&1'
+'git' 'tag' '-a' '-m' '"tag v' || sVer || '"' sVer
+
+'git' 'archive' '--format' 'zip' sVer '--prefix' sPackageNameVer || '/' '>',
+       sPackageNameVer || '/' || sPackageNameVer || '-src.zip'
+
+'rm' '-f' sPackageNameVer || '.zip'
+'zip' '-rpSm' sPackageNameVer || '.zip' sPackageNameVer
+
+call endlocal
+
+exit 0
+
+/* Get outputs from commands */
+getOutput: procedure
+    parse arg sCmd
+
+    nl = x2c('d') || x2c('a')
+
+    rqNew = rxqueue('create')
+    rqOld = rxqueue('set', rqNew )
+
+    address cmd sCmd '| rxqueue' rqNew
+
+    sResult = ''
+    do while queued() > 0
+        parse pull sLine
+        sResult = sResult || sLine || nl
+    end
+
+    call rxqueue 'Delete', rqNew
+    call rxqueue 'Set', rqOld
+
+    /* Remove empty lines at end */
+    do while right( sResult, length( nl )) = nl
+        sResult = delstr( sResult, length( sResult ) - length( nl ) + 1 )
+    end
+
+    return sResult