Shell Features: History

[Email protected] ~]# history   # View command history, command history exists in ~/.bash_history file  ~]# !!        # Indicates the execution of the previous command  ~]# ls!$      # represents the last parameter of the previous command  ~]#!950       # represents the No. 950 command in the history of the execution  command ~]#!ls< c13/> # Indicates the most recent command in the command history that starts with LS

echo "histfilesize=2000" >>/etc/ BASHRC                   # set up to store up to 2000 history commands  echo "histsize=2000" >>/etc/ BASHRC                       # output up to 2000 records after setting this command  echo "Export histtimeformat=\"%F%T \ "" ">>/ETC/BASHRC    # Set record format for history commands

Shell Features: History