apps/utils: add command execution way for history
The history functionality supports two ways to execute former commands.
1. By !number
2. By up and down keys
This commit adds above in the history tab of the README.
@@ -505,7 +505,8 @@ Heap Allocation Information per User defined Group
## history
-This command shows the history you executed, and you can re-execute it by calling the number with `!`.
+This command shows the history you executed.
+Using this functionality, you can re-execute the command by calling the number with `!` or by up and down keys.
```bash
TASH>>history
TASH command history
@@ -538,6 +539,10 @@ uptime wm_test
TASH>>
```
+>**NOTE**
+>We provide the configuration, *CONFIG_TASH_MAX_STORE_COMMANDS*, to set the maximum number of commands due to memory limitations.
+>When the history has maximum number of commands stored, the oldest command will be removed to store the last command.
+
### How to Enable
Set *CONFIG_TASH_MAX_STORE_COMMANDS* value to use this command on menuconfig as shown below:
```
