Use history command to display or manipulate the history list. Run the history command to list commands that you have previously entered.
How to list the previous commands you entered
The history command entered by itself lists the previous 29 commands entered as follows:
The listing first displays the position of the command in the $HOME/.bash_history file followed by the command.
How do I list the previous 10 commands only?
713 pwd 714 lsb_release -a 715 help history 716 date 717 history 5
How to repeat the last command one time
Say you typed reboot:
You will get an error that read as follows:
User root is logged in on sshd. The reboot must be run as root user
Now recall the last reboot command using sudo as follows:
sudo reboot [sudo] password for vivek:
How to repeat command number <n> in the history buffer
To repeat command number 72, run:
How to repeat command beginning with the string <string>
To repeat command beginning with the string sudo, run:
To repeat command beginning with the string "z", run:
How to clear the history list by deleting all of the entries
Run the following command
Getting help on history command
Simply type the following [[help command]:
history: history [-c] [-d offset] [n] or history -anrw [filename] or history -ps arg [arg...] Display or manipulate the history list. Display the history list with line numbers, prefixing each modified entry with a `*'. An argument of N lists only the last N entries. Options: -c clear the history list by deleting all of the entries -d offset delete the history entry at position OFFSET. -a append history lines from this session to the history file -n read all history lines not already read from the history file and append them to the history list -r read the history file and append the contents to the history list -w write the current history to the history file -p perform history expansion on each ARG and display the result without storing it in the history list -s append the ARGs to the history list as a single entry If FILENAME is given, it is used as the history file. Otherwise, if HISTFILE has a value, that is used, else ~/.bash_history. If the HISTTIMEFORMAT variable is set and not null, its value is used as a format string for strftime(3) to print the time stamp associated with each displayed history entry. No time stamps are printed otherwise. Exit Status: Returns success unless an invalid option is given or an error occurs.