diff --git a/sysa/bash-2.05b/bash-2.05b.kaem b/sysa/bash-2.05b/bash-2.05b.kaem
index 13a00d6..f29af05 100755
--- a/sysa/bash-2.05b/bash-2.05b.kaem
+++ b/sysa/bash-2.05b/bash-2.05b.kaem
@@ -2,6 +2,7 @@
 
 set -ex
 
+mkdir build
 cd build
 
 # Extract
@@ -13,9 +14,9 @@ cp ../../mk/builtins.mk builtins/Makefile
 cp ../../mk/common.mk common.mk
 
 # Create various .h files
-catm config.h
-catm include/version.h
-catm include/pipesize.h
+touch config.h
+touch include/version.h
+touch include/pipesize.h
 
 # Patch
 patch -Np0 -i ../../patches/mes-libc.patch
@@ -32,7 +33,6 @@ cd ..
 make
 
 # Install
-cp bash /after/bin/
-chmod 755 /after/bin/bash
+install bash /after/bin/
 
 cd ../..
diff --git a/sysa/bash-2.05b/build/.placeholder b/sysa/bash-2.05b/build/.placeholder
deleted file mode 100644
index e69de29..0000000
diff --git a/sysa/grep-2.4/grep-2.4.kaem b/sysa/grep-2.4/grep-2.4.kaem
old mode 100644
new mode 100755
index 617265c..bf324e6
--- a/sysa/grep-2.4/grep-2.4.kaem
+++ b/sysa/grep-2.4/grep-2.4.kaem
@@ -2,6 +2,7 @@
 
 set -ex
 
+mkdir build
 cd build
 
 # Extract
@@ -14,8 +15,7 @@ cp ../../mk/main.mk Makefile
 make
 
 # Install
-cp grep /after/bin/grep
-chmod 755 /after/bin/grep
+install grep /after/bin/
 
 # Test
 grep --version
diff --git a/sysa/m4-1.4/build/.placeholder b/sysa/m4-1.4/build/.placeholder
deleted file mode 100644
index e69de29..0000000
diff --git a/sysa/m4-1.4/m4-1.4.kaem b/sysa/m4-1.4/m4-1.4.kaem
index 2ecd5b5..1098498 100755
--- a/sysa/m4-1.4/m4-1.4.kaem
+++ b/sysa/m4-1.4/m4-1.4.kaem
@@ -2,6 +2,7 @@
 
 set -ex
 
+mkdir build
 cd build
 
 # Extract
@@ -17,8 +18,7 @@ patch -Np0 -i ../../patches/signal-include.patch
 make
 
 # Install
-cp m4 /after/bin/m4
-chmod 755 /after/bin/m4
+install m4 /after/bin/
 
 # Test
 m4 --version