How to open the history command in a shell script.

1.linux Bash built-in commands differ from common commands: which can't find them. Bash built-in commands

2.history is a bash built-in command that can be opened by bash

3.set-o See if Open

1) in Interactive view

[Email protected] ~]# Set-o |grep History
History on

2) View in script

[Email protected] ~]# sh a.sh
History off

Script content:

##! /bin/sh
Histfile=~/.bash_history
Set-o |grep History

4.set-o command to open Bash's history configuration

Script Content

##! /bin/sh
Histfile=~/.bash_history
Set-o history
History

Execution Result:

How to open the history command in a shell script.