diff --git a/hostid/hostid.rs b/hostid/hostid.rs
index 59ffd3dcf..122a2aa05 100644
--- a/hostid/hostid.rs
+++ b/hostid/hostid.rs
@@ -50,7 +50,7 @@ extern {
 }
 
 fn main() {
-    let args: Vec<String> = os::args().iter().map(|x| x.to_strbuf()).collect();
+    let args = os::args();
 
     let opts = [
         optflag("", "help", "display this help and exit"),
diff --git a/md5sum/md5sum.rs b/md5sum/md5sum.rs
index ff1fdc7ea..4bd30f9ae 100644
--- a/md5sum/md5sum.rs
+++ b/md5sum/md5sum.rs
@@ -28,7 +28,7 @@ static NAME: &'static str = "md5sum";
 static VERSION: &'static str = "1.0.0";
 
 fn main() {
-    let args: Vec<String> = os::args().iter().map(|x| x.to_strbuf()).collect();
+    let args = os::args();
 
     let program = args.get(0).clone();
 
diff --git a/mkdir/mkdir.rs b/mkdir/mkdir.rs
index 60a6b6016..acde243e8 100644
--- a/mkdir/mkdir.rs
+++ b/mkdir/mkdir.rs
@@ -29,7 +29,7 @@ static VERSION: &'static str = "1.0.0";
  * Handles option parsing
  */
 fn main() {
-    let args: Vec<String> = os::args().iter().map(|x| x.to_strbuf()).collect();
+    let args = os::args();
 
     let opts = ~[
         // Linux-specific options, not implemented
diff --git a/paste/paste.rs b/paste/paste.rs
index e7099ae6d..5dc76d9a5 100644
--- a/paste/paste.rs
+++ b/paste/paste.rs
@@ -24,7 +24,7 @@ static NAME: &'static str = "paste";
 static VERSION: &'static str = "1.0.0";
 
 fn main() {
-    let args: Vec<String> = os::args().iter().map(|x| x.to_strbuf()).collect();
+    let args = os::args();
     let program = args.get(0).clone();
 
     let opts = ~[
diff --git a/printenv/printenv.rs b/printenv/printenv.rs
index 0c57c8444..33ecdc8f4 100644
--- a/printenv/printenv.rs
+++ b/printenv/printenv.rs
@@ -25,7 +25,7 @@ mod util;
 static NAME: &'static str = "printenv";
 
 fn main() {
-    let args: Vec<String> = os::args().iter().map(|x| x.to_strbuf()).collect();
+    let args = os::args();
     let program = args.get(0).clone();
     let opts = ~[
         getopts::optflag("0", "null", "end each output line with 0 byte rather than newline"),
diff --git a/pwd/pwd.rs b/pwd/pwd.rs
index 31eff1419..2b007b422 100644
--- a/pwd/pwd.rs
+++ b/pwd/pwd.rs
@@ -24,7 +24,7 @@ static NAME: &'static str = "pwd";
 static VERSION: &'static str = "1.0.0";
 
 fn main() {
-    let args: Vec<String> = os::args().iter().map(|x| x.to_strbuf()).collect();
+    let args = os::args();
     let program = args.get(0).clone();
     let opts = ~[
         getopts::optflag("", "help", "display this help and exit"),
diff --git a/rm/rm.rs b/rm/rm.rs
index b8c8cef21..8148637d2 100644
--- a/rm/rm.rs
+++ b/rm/rm.rs
@@ -30,7 +30,7 @@ enum InteractiveMode {
 static NAME: &'static str = "rm";
 
 fn main() {
-    let args: Vec<String> = os::args().iter().map(|x| x.to_strbuf()).collect();
+    let args = os::args();
     let program = args.get(0).clone();
 
     // TODO: make getopts support -R in addition to -r
diff --git a/rmdir/rmdir.rs b/rmdir/rmdir.rs
index 9ddd36424..136638bf5 100644
--- a/rmdir/rmdir.rs
+++ b/rmdir/rmdir.rs
@@ -23,7 +23,7 @@ mod util;
 static NAME: &'static str = "rmdir";
 
 fn main() {
-    let args: Vec<String> = os::args().iter().map(|x| x.to_strbuf()).collect();
+    let args = os::args();
     let program = args.get(0).clone();
 
     let opts = ~[
diff --git a/seq/seq.rs b/seq/seq.rs
index ca67e21e7..4a05cfdb8 100644
--- a/seq/seq.rs
+++ b/seq/seq.rs
@@ -34,7 +34,7 @@ fn escape_sequences(s: &str) -> String {
 }
 
 fn main() {
-    let args: Vec<String> = os::args().iter().map(|x| x.to_strbuf()).collect();
+    let args = os::args();
     let opts = ~[
         getopts::optopt("s", "separator", "Separator character (defaults to \\n)", ""),
         getopts::optopt("t", "terminator", "Terminator character (defaults to separator)", ""),
diff --git a/sleep/sleep.rs b/sleep/sleep.rs
index 1feb2fa9f..af4472e80 100644
--- a/sleep/sleep.rs
+++ b/sleep/sleep.rs
@@ -24,7 +24,7 @@ mod util;
 static NAME: &'static str = "sleep";
 
 fn main() {
-    let args: Vec<String> = os::args().iter().map(|x| x.to_strbuf()).collect();
+    let args = os::args();
     let program = args.get(0).clone();
 
     let opts = ~[
diff --git a/tac/tac.rs b/tac/tac.rs
index ef783fb40..adc22e35f 100644
--- a/tac/tac.rs
+++ b/tac/tac.rs
@@ -24,7 +24,7 @@ static NAME: &'static str = "tac";
 static VERSION: &'static str = "1.0.0";
 
 fn main() {
-    let args: Vec<String> = os::args().iter().map(|x| x.to_strbuf()).collect();
+    let args = os::args();
     let program = args.get(0).clone();
 
     let opts = ~[
diff --git a/tr/tr.rs b/tr/tr.rs
index d0b6cfc88..283c44ae1 100644
--- a/tr/tr.rs
+++ b/tr/tr.rs
@@ -147,7 +147,7 @@ fn usage(opts: &[OptGroup]) {
 }
 
 pub fn main() {
-    let args: Vec<String> = os::args().iter().map(|x| x.to_strbuf()).collect();
+    let args = os::args();
     let opts = [
         getopts::optflag("c", "complement", "use the complement of SET1"),
         getopts::optflag("C", "", "same as -c"),
diff --git a/truncate/truncate.rs b/truncate/truncate.rs
index 9472283cd..348c83dca 100644
--- a/truncate/truncate.rs
+++ b/truncate/truncate.rs
@@ -47,7 +47,7 @@ enum TruncateMode {
 static NAME: &'static str = "truncate";
 
 fn main() {
-    let args: Vec<String> = os::args().iter().map(|x| x.to_strbuf()).collect();
+    let args = os::args();
     let program = args.get(0).clone();
 
     let opts = ~[
diff --git a/tty/tty.rs b/tty/tty.rs
index 6cde0c8db..dccb5ba98 100644
--- a/tty/tty.rs
+++ b/tty/tty.rs
@@ -35,7 +35,7 @@ extern {
 static NAME: &'static str = "tty";
 
 fn main () {
-    let args: Vec<String> = os::args().iter().map(|x| x.to_strbuf()).collect();
+    let args = os::args();
 
     let options = [
         optflag("s", "silent", "print nothing, only return an exit status")
diff --git a/uname/uname.rs b/uname/uname.rs
index c334381af..df162239b 100644
--- a/uname/uname.rs
+++ b/uname/uname.rs
@@ -52,7 +52,7 @@ unsafe fn getuname() -> utsrust {
 static NAME: &'static str = "uname";
 
 fn main() {
-    let args: Vec<String> = os::args().iter().map(|x| x.to_strbuf()).collect();
+    let args = os::args();
     let program = args.get(0).as_slice();
     let opts = ~[
         getopts::optflag("h", "help", "display this help and exit"),
diff --git a/unlink/unlink.rs b/unlink/unlink.rs
index 042f475be..aa53a0efb 100644
--- a/unlink/unlink.rs
+++ b/unlink/unlink.rs
@@ -27,7 +27,7 @@ mod util;
 static NAME: &'static str = "unlink";
 
 fn main() {
-    let args: Vec<String> = os::args().iter().map(|x| x.to_strbuf()).collect();
+    let args = os::args();
     let program = args.get(0).clone();
     let opts = ~[
         getopts::optflag("h", "help", "display this help and exit"),
diff --git a/uptime/uptime.rs b/uptime/uptime.rs
index 8cb097f31..9b1b4e7f5 100644
--- a/uptime/uptime.rs
+++ b/uptime/uptime.rs
@@ -48,7 +48,7 @@ extern {
 }
 
 fn main() {
-    let args: Vec<String> = os::args().iter().map(|x| x.to_strbuf()).collect();
+    let args = os::args();
     let program = args.get(0).clone();
     let opts = ~[
         getopts::optflag("v", "version", "output version information and exit"),
diff --git a/users/users.rs b/users/users.rs
index ea9229072..8050106e0 100644
--- a/users/users.rs
+++ b/users/users.rs
@@ -48,7 +48,7 @@ extern {
 static NAME: &'static str = "users";
 
 fn main() {
-    let args: Vec<String> = os::args().iter().map(|x| x.to_strbuf()).collect();
+    let args = os::args();
     let program = args.get(0).as_slice();
     let opts = ~[
         getopts::optflag("h", "help", "display this help and exit"),
diff --git a/wc/wc.rs b/wc/wc.rs
index caf7e8fde..f5f4b9c86 100644
--- a/wc/wc.rs
+++ b/wc/wc.rs
@@ -34,7 +34,7 @@ struct Result {
 static NAME: &'static str = "wc";
 
 fn main() {
-    let args: Vec<String> = os::args().iter().map(|x| x.to_strbuf()).collect();
+    let args = os::args();
     let program = args.get(0).clone();
     let opts = ~[
         getopts::optflag("c", "bytes", "print the byte counts"),
diff --git a/whoami/whoami.rs b/whoami/whoami.rs
index c553b59d9..75fd62107 100644
--- a/whoami/whoami.rs
+++ b/whoami/whoami.rs
@@ -42,7 +42,7 @@ unsafe fn getusername() -> String {
 static NAME: &'static str = "whoami";
 
 fn main() {
-    let args: Vec<String> = os::args().iter().map(|x| x.to_strbuf()).collect();
+    let args = os::args();
     let program = args.get(0).as_slice();
     let opts = ~[
         getopts::optflag("h", "help", "display this help and exit"),
diff --git a/yes/yes.rs b/yes/yes.rs
index e6a217186..eedc24bdd 100644
--- a/yes/yes.rs
+++ b/yes/yes.rs
@@ -25,7 +25,7 @@ mod util;
 static NAME: &'static str = "yes";
 
 fn main() {
-    let args: Vec<String> = os::args().iter().map(|x| x.to_strbuf()).collect();
+    let args = os::args();
     let program = args.get(0).clone();
     let opts = ~[
         getopts::optflag("h", "help", "display this help and exit"),