diff --git a/internal/cmd/beta/session_cmd.go b/internal/cmd/beta/session_cmd.go
index 679d434df..e1278de63 100644
--- a/internal/cmd/beta/session_cmd.go
+++ b/internal/cmd/beta/session_cmd.go
@@ -86,7 +86,7 @@ func executeDefaultShellProgram(
 		ProgramName: defaultShell(),
 		Mode:        runnerv2.CommandMode_COMMAND_MODE_CLI,
 		Env: append(
-			[]string{command.CreateEnv(command.EnvCollectorSessionEnvName, "1")},
+			[]string{command.CreateEnv(command.EnvNameTerminalSessionEnabled, "true")},
 			append(envCollector.ExtraEnv(), additionalEnv...)...,
 		),
 	}
@@ -143,23 +143,23 @@ func sessionSetupCmd() *cobra.Command {
 					out := cmd.OutOrStdout()
 
 					if err := requireEnvs(
-						command.EnvCollectorSessionEnvName,
-						command.EnvCollectorSessionPrePathEnvName,
-						command.EnvCollectorSessionPostPathEnvName,
+						command.EnvNameTerminalSessionEnabled,
+						command.EnvNameTerminalSessionPrePath,
+						command.EnvNameTerminalSessionPostPath,
 					); err != nil {
 						logger.Info("session setup is skipped because the environment variable is not set", zap.Error(err))
 						return writeNoopShellCommand(out)
 					}
 
-					sessionSetupEnabled := os.Getenv(command.EnvCollectorSessionEnvName)
+					sessionSetupEnabled := os.Getenv(command.EnvNameTerminalSessionEnabled)
 					if val, err := strconv.ParseBool(sessionSetupEnabled); err != nil || !val {
 						logger.Debug("session setup is skipped", zap.Error(err), zap.Bool("value", val))
 						return writeNoopShellCommand(out)
 					}
 
 					envSetter := command.NewScriptEnvSetter(
-						os.Getenv(command.EnvCollectorSessionPrePathEnvName),
-						os.Getenv(command.EnvCollectorSessionPostPathEnvName),
+						os.Getenv(command.EnvNameTerminalSessionPrePath),
+						os.Getenv(command.EnvNameTerminalSessionPostPath),
 						debug,
 					)
 					if err := envSetter.SetOnShell(out); err != nil {
diff --git a/internal/command/env_collector.go b/internal/command/env_collector.go
index d697b560a..c845b8faa 100644
--- a/internal/command/env_collector.go
+++ b/internal/command/env_collector.go
@@ -16,10 +16,6 @@ import (
 const maxScannerBufferSizeInBytes = 1024 * 1024 * 1024 // 1GB
 
 const (
-	EnvCollectorSessionEnvName         = "RUNME_SESSION"
-	EnvCollectorSessionPrePathEnvName  = "RUNME_SESSION_PREPATH"
-	EnvCollectorSessionPostPathEnvName = "RUNME_SESSION_POSTPATH"
-
 	envCollectorEncKeyEnvName   = "RUNME_ENCRYPTION_KEY"
 	envCollectorEncNonceEnvName = "RUNME_ENCRYPTION_NONCE"
 )
diff --git a/internal/command/env_collector_fifo_unix.go b/internal/command/env_collector_fifo_unix.go
index 73aa60318..aa40f1801 100644
--- a/internal/command/env_collector_fifo_unix.go
+++ b/internal/command/env_collector_fifo_unix.go
@@ -114,8 +114,8 @@ func (c *envCollectorFifo) Diff() (changed []string, deleted []string, _ error)
 
 func (c *envCollectorFifo) ExtraEnv() []string {
 	result := []string{
-		createEnv(EnvCollectorSessionPrePathEnvName, c.prePath()),
-		createEnv(EnvCollectorSessionPostPathEnvName, c.postPath()),
+		createEnv(EnvNameTerminalSessionPrePath, c.prePath()),
+		createEnv(EnvNameTerminalSessionPostPath, c.postPath()),
 	}
 	if c.encKey != nil && c.encNonce != nil {
 		result = append(
diff --git a/internal/command/env_collector_file.go b/internal/command/env_collector_file.go
index 5fdab47a2..3f62ff79d 100644
--- a/internal/command/env_collector_file.go
+++ b/internal/command/env_collector_file.go
@@ -62,8 +62,8 @@ func (c *envCollectorFile) Diff() (changed []string, deleted []string, _ error)
 
 func (c *envCollectorFile) ExtraEnv() []string {
 	result := []string{
-		createEnv(EnvCollectorSessionPrePathEnvName, c.prePath()),
-		createEnv(EnvCollectorSessionPostPathEnvName, c.postPath()),
+		createEnv(EnvNameTerminalSessionPrePath, c.prePath()),
+		createEnv(EnvNameTerminalSessionPostPath, c.postPath()),
 	}
 	if c.encKey != nil && c.encNonce != nil {
 		result = append(
diff --git a/internal/command/terminal_session.go b/internal/command/terminal_session.go
new file mode 100644
index 000000000..3e80a41e9
--- /dev/null
+++ b/internal/command/terminal_session.go
@@ -0,0 +1,8 @@
+package command
+
+// Constants for supporting terminal session via the "beta session" command.
+const (
+	EnvNameTerminalSessionEnabled  = "_RUNME_TERMINAL_SESSION_ENABLED"
+	EnvNameTerminalSessionPrePath  = "_RUNME_TERMINAL_SESSION_PREPATH"
+	EnvNameTerminalSessionPostPath = "_RUNME_TERMINAL_SESSION_POSTPATH"
+)