diff --git a/Kernel/FileSystem/ProcFS.cpp b/Kernel/FileSystem/ProcFS.cpp
index c042b5abb78..cbcb422dda0 100644
--- a/Kernel/FileSystem/ProcFS.cpp
+++ b/Kernel/FileSystem/ProcFS.cpp
@@ -9,6 +9,7 @@
 #include <Kernel/FileSystem/Custody.h>
 #include <Kernel/FileSystem/FileDescription.h>
 #include <Kernel/FileSystem/VirtualFileSystem.h>
+#include <Kernel/KParams.h>
 #include <Kernel/Net/NetworkAdapter.h>
 #include <Kernel/PCI.h>
 #include <Kernel/VM/MemoryManager.h>
@@ -41,6 +42,7 @@ enum ProcFileType {
     FI_Root_dmesg,
     FI_Root_pci,
     FI_Root_uptime,
+    FI_Root_cmdline,
     FI_Root_netadapters,
     FI_Root_self, // symlink
     FI_Root_sys,  // directory
@@ -253,6 +255,13 @@ ByteBuffer procfs$uptime(InodeIdentifier)
     return builder.to_byte_buffer();
 }
 
+ByteBuffer procfs$cmdline(InodeIdentifier)
+{
+    StringBuilder builder;
+    builder.appendf("%s\n", KParams::the().cmdline().characters());
+    return builder.to_byte_buffer();
+}
+
 ByteBuffer procfs$netadapters(InodeIdentifier)
 {
     StringBuilder builder;
@@ -1113,6 +1122,7 @@ ProcFS::ProcFS()
     m_entries[FI_Root_self] = { "self", FI_Root_self, procfs$self };
     m_entries[FI_Root_pci] = { "pci", FI_Root_pci, procfs$pci };
     m_entries[FI_Root_uptime] = { "uptime", FI_Root_uptime, procfs$uptime };
+    m_entries[FI_Root_cmdline] = { "cmdline", FI_Root_cmdline, procfs$cmdline };
     m_entries[FI_Root_netadapters] = { "netadapters", FI_Root_netadapters, procfs$netadapters };
     m_entries[FI_Root_sys] = { "sys", FI_Root_sys };
 
diff --git a/Kernel/run b/Kernel/run
index db3414fa45a..056a2713c7e 100755
--- a/Kernel/run
+++ b/Kernel/run
@@ -2,7 +2,7 @@
 
 [ -z "$SERENITY_QEMU_BIN" ] && SERENITY_QEMU_BIN="qemu-system-i386"
 
-SERENITY_KERNEL_CMDLINE="hello"
+[ -z "$SERENITY_KERNEL_CMDLINE" ] && SERENITY_KERNEL_CMDLINE="hello"
 
 export SDL_VIDEO_X11_DGAMOUSE=0
 
@@ -18,6 +18,7 @@ elif [ "$1" = "qn" ]; then
         -debugcon stdio \
         -device e1000 \
         -kernel kernel \
+        -append "${SERENITY_KERNEL_CMDLINE}" \
         -hda _disk_image \
         -soundhw pcspk
 elif [ "$1" = "qtap" ]; then
@@ -31,6 +32,7 @@ elif [ "$1" = "qtap" ]; then
         -netdev tap,ifname=tap0,id=br0 \
         -device e1000,netdev=br0 \
         -kernel kernel \
+        -append "${SERENITY_KERNEL_CMDLINE}" \
         -hda _disk_image \
         -soundhw pcspk
 elif [ "$1" = "qgrub" ]; then
@@ -56,6 +58,7 @@ else
         -netdev user,id=breh,hostfwd=tcp:127.0.0.1:8888-192.168.5.2:8888 \
         -device e1000,netdev=breh \
         -kernel kernel \
+        -append "${SERENITY_KERNEL_CMDLINE}" \
         -hda _disk_image \
         -soundhw pcspk
 fi