diff --git a/db/migrations/000003_renderer.down.sql b/db/migrations/000003_renderer.down.sql
new file mode 100644
index 000000000..4ef6ef5a3
--- /dev/null
+++ b/db/migrations/000003_renderer.down.sql
@@ -0,0 +1,2 @@
+ALTER TABLE line DROP COLUMN renderer;
+
diff --git a/db/migrations/000003_renderer.up.sql b/db/migrations/000003_renderer.up.sql
new file mode 100644
index 000000000..43f9de435
--- /dev/null
+++ b/db/migrations/000003_renderer.up.sql
@@ -0,0 +1,2 @@
+ALTER TABLE line ADD COLUMN renderer varchar(50) NOT NULL DEFAULT '';
+
diff --git a/pkg/cmdrunner/cmdrunner.go b/pkg/cmdrunner/cmdrunner.go
index 13f610bd2..c75a34c9a 100644
--- a/pkg/cmdrunner/cmdrunner.go
+++ b/pkg/cmdrunner/cmdrunner.go
@@ -1197,7 +1197,7 @@ func makeStaticCmd(ctx context.Context, metaCmd string, ids resolvedIds, cmdStr
 }
 
 func addLineForCmd(ctx context.Context, metaCmd string, shouldFocus bool, ids resolvedIds, cmd *sstore.CmdType) (*sstore.ModelUpdate, error) {
-	rtnLine, err := sstore.AddCmdLine(ctx, ids.SessionId, ids.WindowId, DefaultUserId, cmd)
+	rtnLine, err := sstore.AddCmdLine(ctx, ids.SessionId, ids.WindowId, DefaultUserId, cmd, "")
 	if err != nil {
 		return nil, err
 	}
@@ -1885,7 +1885,7 @@ func LineSetHeightCommand(ctx context.Context, pk *scpacket.FeCommandPacketType)
 	if err != nil {
 		return nil, fmt.Errorf("/line:setheight invalid height val: %v", err)
 	}
-	if heightVal > 1000 {
+	if heightVal > 10000 {
 		return nil, fmt.Errorf("/line:setheight invalid height val (too large): %d", heightVal)
 	}
 	err = sstore.UpdateLineHeight(ctx, lineId, heightVal)
@@ -2051,6 +2051,14 @@ func LineShowCommand(ctx context.Context, pk *scpacket.FeCommandPacketType) (sst
 		if cmd.RtnState {
 			buf.WriteString(fmt.Sprintf("  %-15s %s\n", "rtnstate", "true"))
 		}
+		stat, _ := sstore.StatCmdPtyFile(ctx, cmd.SessionId, cmd.CmdId)
+		if stat == nil {
+			buf.WriteString(fmt.Sprintf("  %-15s %s\n", "file", "-"))
+		} else {
+			fileDataStr := fmt.Sprintf("v%d data=%d offset=%d max=%s", stat.Version, stat.DataSize, stat.FileOffset, scbase.NumFormatB2(stat.MaxSize))
+			buf.WriteString(fmt.Sprintf("  %-15s %s\n", "file", stat.Location))
+			buf.WriteString(fmt.Sprintf("  %-15s %s\n", "file-data", fileDataStr))
+		}
 	}
 	update := sstore.ModelUpdate{
 		Info: &sstore.InfoMsgType{
diff --git a/pkg/sstore/dbops.go b/pkg/sstore/dbops.go
index 7af987a0f..5bf2bee78 100644
--- a/pkg/sstore/dbops.go
+++ b/pkg/sstore/dbops.go
@@ -687,8 +687,8 @@ func InsertLine(ctx context.Context, line *LineType, cmd *CmdType) error {
 		query = `SELECT nextlinenum FROM window WHERE sessionid = ? AND windowid = ?`
 		nextLineNum := tx.GetInt(query, line.SessionId, line.WindowId)
 		line.LineNum = int64(nextLineNum)
-		query = `INSERT INTO line  ( sessionid, windowid, userid, lineid, ts, linenum, linenumtemp, linelocal, linetype, text, cmdid, ephemeral, contentheight, star, archived)
-                            VALUES (:sessionid,:windowid,:userid,:lineid,:ts,:linenum,:linenumtemp,:linelocal,:linetype,:text,:cmdid,:ephemeral,:contentheight,:star,:archived)`
+		query = `INSERT INTO line  ( sessionid, windowid, userid, lineid, ts, linenum, linenumtemp, linelocal, linetype, text, cmdid, renderer, ephemeral, contentheight, star, archived)
+                            VALUES (:sessionid,:windowid,:userid,:lineid,:ts,:linenum,:linenumtemp,:linelocal,:linetype,:text,:cmdid,:renderer,:ephemeral,:contentheight,:star,:archived)`
 		tx.NamedExecWrap(query, line)
 		query = `UPDATE window SET nextlinenum = ? WHERE sessionid = ? AND windowid = ?`
 		tx.ExecWrap(query, nextLineNum+1, line.SessionId, line.WindowId)
diff --git a/pkg/sstore/fileops.go b/pkg/sstore/fileops.go
index 87b91e628..bd654ee62 100644
--- a/pkg/sstore/fileops.go
+++ b/pkg/sstore/fileops.go
@@ -24,6 +24,14 @@ func CreateCmdPtyFile(ctx context.Context, sessionId string, cmdId string, maxSi
 	return f.Close()
 }
 
+func StatCmdPtyFile(ctx context.Context, sessionId string, cmdId string) (*cirfile.Stat, error) {
+	ptyOutFileName, err := scbase.PtyOutFile(sessionId, cmdId)
+	if err != nil {
+		return nil, err
+	}
+	return cirfile.StatCirFile(ctx, ptyOutFileName)
+}
+
 func AppendToCmdPtyBlob(ctx context.Context, sessionId string, cmdId string, data []byte, pos int64) (*PtyDataUpdate, error) {
 	if pos < 0 {
 		return nil, fmt.Errorf("invalid seek pos '%d' in AppendToCmdPtyBlob", pos)
diff --git a/pkg/sstore/sstore.go b/pkg/sstore/sstore.go
index d75db565a..95ccafbba 100644
--- a/pkg/sstore/sstore.go
+++ b/pkg/sstore/sstore.go
@@ -643,6 +643,7 @@ type LineType struct {
 	LineNumTemp   bool   `json:"linenumtemp,omitempty"`
 	LineLocal     bool   `json:"linelocal"`
 	LineType      string `json:"linetype"`
+	Renderer      string `json:"renderer,omitempty"`
 	Text          string `json:"text,omitempty"`
 	CmdId         string `json:"cmdid,omitempty"`
 	Ephemeral     bool   `json:"ephemeral,omitempty"`
@@ -825,7 +826,7 @@ func CmdFromMap(m map[string]interface{}) *CmdType {
 	return &cmd
 }
 
-func makeNewLineCmd(sessionId string, windowId string, userId string, cmdId string) *LineType {
+func makeNewLineCmd(sessionId string, windowId string, userId string, cmdId string, renderer string) *LineType {
 	rtn := &LineType{}
 	rtn.SessionId = sessionId
 	rtn.WindowId = windowId
@@ -836,6 +837,7 @@ func makeNewLineCmd(sessionId string, windowId string, userId string, cmdId stri
 	rtn.LineType = LineTypeCmd
 	rtn.CmdId = cmdId
 	rtn.ContentHeight = LineNoHeight
+	rtn.Renderer = renderer
 	return rtn
 }
 
@@ -862,8 +864,8 @@ func AddCommentLine(ctx context.Context, sessionId string, windowId string, user
 	return rtnLine, nil
 }
 
-func AddCmdLine(ctx context.Context, sessionId string, windowId string, userId string, cmd *CmdType) (*LineType, error) {
-	rtnLine := makeNewLineCmd(sessionId, windowId, userId, cmd.CmdId)
+func AddCmdLine(ctx context.Context, sessionId string, windowId string, userId string, cmd *CmdType, renderer string) (*LineType, error) {
+	rtnLine := makeNewLineCmd(sessionId, windowId, userId, cmd.CmdId, renderer)
 	err := InsertLine(ctx, rtnLine, cmd)
 	if err != nil {
 		return nil, err