# COMMANDLINE Command [GstarCAD 2021](Help%20System/GSTARCAD/2021/Index.md) → [Commands](Help%20System/GSTARCAD/2021/Commands/(Commands).md) → [C](Help%20System/GSTARCAD/2021/Commands/C/(C).md) The COMMANDLINE command is used to display command line window. ## Command Access: > **Ribbon:** View \> Palettes \> Command Line **Menu:** Tools \> Command Line > **Command:** COMMANDLINE > **Shortcut:** CTRL\+9 ## Function Description: The command line could be fixed and display commands, system variables, options and tips. Users could also adjust window size of command line. ## Other versions with matching text [GstarCAD 2016](../../../2016/Commands/C/COMMANDLINE%20Command.md) · [GstarCAD 2017](../../../2017/Commands/C/COMMANDLINE%20Command.md) · [GstarCAD 2018](Help%20System/GSTARCAD/2018/Commands/C/COMMANDLINE%20Command.md) · [GstarCAD 2019](Help%20System/GSTARCAD/2019/Commands/C/COMMANDLINE%20Command.md) · [GstarCAD 2020](Help%20System/GSTARCAD/2020/Commands/C/COMMANDLINE%20Command.md)