diff --git a/README.md b/README.md
index 32741b3..5bebda1 100644
--- a/README.md
+++ b/README.md
@@ -27,8 +27,8 @@ Please complete this checklist (turn [ ] into [X]) before you submit:
   - [x] I completed c/compile.sh
   - [x] I completed c/run.sh
   - [x] I completed c/disassemble.sh
-- [ ] I wrote the source code myself and did not look at the source code of my classmates
-- [ ] I ran test/test.sh and verified that it produces the expected output
-- [ ] I verified that the disassembled instructions appear (not just the function names)
-- [ ] I committed my changes (at least one commit, but possibly many)
-- [ ] I pushed my commits to GitHub
+- [x] I wrote the source code myself and did not look at the source code of my classmates
+- [x] I ran test/test.sh and verified that it produces the expected output
+- [x] I verified that the disassembled instructions appear (not just the function names)
+- [x] I committed my changes (at least one commit, but possibly many)
+- [x] I pushed my commits to GitHub
diff --git a/c/compile.sh b/c/compile.sh
index bd22197..8d17079 100755
--- a/c/compile.sh
+++ b/c/compile.sh
@@ -1,3 +1,7 @@
 #!/bin/sh
 
+set -eou pipefail
+
+cd "$(dirname "$0")"
+
 gcc -o main ./main.c
\ No newline at end of file
diff --git a/c/disassemble.sh b/c/disassemble.sh
index a06d786..38d9210 100755
--- a/c/disassemble.sh
+++ b/c/disassemble.sh
@@ -1,3 +1,7 @@
 #!/bin/sh
 
+set -eou pipefail
+
+cd "$(dirname "$0")"
+
 otool -xv ./main
\ No newline at end of file
diff --git a/c/run.sh b/c/run.sh
index a56af46..448e2c0 100755
--- a/c/run.sh
+++ b/c/run.sh
@@ -1,3 +1,7 @@
 #!/bin/sh
 
+set -eou pipefail
+
+cd "$(dirname "$0")"
+
 ./main
\ No newline at end of file
diff --git a/java/compile.sh b/java/compile.sh
index a556454..ecf7b0b 100755
--- a/java/compile.sh
+++ b/java/compile.sh
@@ -1,3 +1,7 @@
 #!/bin/sh
 
+set -eou pipefail
+
+cd "$(dirname "$0")"
+
 javac ./Main.java
\ No newline at end of file
diff --git a/java/disassemble.sh b/java/disassemble.sh
index 8995844..c774910 100755
--- a/java/disassemble.sh
+++ b/java/disassemble.sh
@@ -1,3 +1,7 @@
 #!/bin/sh
 
+set -eou pipefail
+
+cd "$(dirname "$0")"
+
 javap -c ./Main.class
\ No newline at end of file
diff --git a/java/run.sh b/java/run.sh
index 62c5bba..fff0065 100755
--- a/java/run.sh
+++ b/java/run.sh
@@ -1,3 +1,7 @@
 #!/bin/sh
 
+set -eou pipefail
+
+cd "$(dirname "$0")"
+
 java -cp . Main
\ No newline at end of file