![]() If you close the current session and open a new session you will see the same output from Linux history command. Please note that running history -c command will clear the history from current logged in session only. If you want to clear complete bash command history or Linux history then you need to use history -c command as shown below. ~]# history | tail 1004 history -n 8ġ013 history | tail Example 5: How to Clear Bash Command History using Linux History Command It is worth noting here that bottom 10 means recent 10 commands from Linux history command. If you want to List bottom 10 Lines of bash command history then you need to use tail command on history command output as shown below. ~]# !19 ifconfig -a | grep -i enp0s3Įnp0s3: flags=41 Example 4: How to List bottom 10 Lines of Bash Command History In this example, we are trying to run command of 19th Line by using !19 as specified below. If you want to run any of the specific Line command from Linux command history then you need to use Line number with ! mark as shown below. ~]# history | head 12 grep /var/log/messagesĢ1 grep -binary-file=text which Example 3: How to run Some Specific Line Command of Bash Command History Please note that when we say top 10 lines of Linux history command output then it necessarily means the top 10 older commands of Linux history command output. If you want to check top 10 Lines of bash command history then you need to use head command on history command output as shown below. Example 2: How to List top 10 Lines of Bash Command History Hence all the commands are saved in the root user command history. Please note that here I am using root user to run all the below commands. By default, you will see 1000 commands saved in the bash_history file. You might think how many commands does it show from the history ? The answer is it is limited by the HISTFILESIZE and HISTFILE value. This command will show all the previous commands ran from the logged in user. If you want to check Linux Command history then you need to use simple history command as shown below. You can check and access all the recorded commands by using Linux history command.Īlso Read: 31 Useful grep command examples in Linux/Unix(How to Use grep command) Example 1: How to Check Command History using Linux history command You can also change the name and path of the file using HISTFILE variable. bash_history under the User home directory. As a Linux Professional you must be running multiple commands every day in your system but did you ever thought if these commands gets recorded anywhere or can you fetch the commands which you ran in the past ? The answer to this question is yes your Linux Server does record all the commands in a default hidden file known as. In this article, I will take you through 20 Useful Linux History Command Examples. Example 20: How to Search a Recent command from Bash Command History.Example 19: How to Prevent any command to be recorded in Bash Command History.Example 18: How to Ignore any command using HISTIGNORE.Example 17: How to check duplicate commands allowed in history using HISTCONTROL. ![]()
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