In Linux, the history command is a utility that allows you to view a list of previously entered commands in the terminal. It is a useful utility to overlook the commands and then reuse them easily. While using too many terminal commands, Linux administrators recommend clearing the terminal’s ...
1. Clear Entire Command Line History Using History Command To clear the entire command line history in terminal, use the history command: $ history -c Or $ history -cw The above line of commands will clear the command history or bash history. 2. Clear Specific Command History Using History ...
Sometimes you can't remember some lengthy and complex commands in a previous session. In such cases, you can usehistorycommand to retrieve the previously executed commands. So if you already cleared the Bash history, you can access the previously entered commands. This is why you should decide ...
Most Linux distributions run a new version of syslogd called rsyslogd that does much more than simply write log messages to files. For example, you can use it to load a module to send log messages to a database. But when starting out with system logs, it’s easiest to start with the ...
clear -x Theclear -xcommand clears the terminal and keeps the previous output. Scroll up or use thePgUpbutton to view it: Additionally, theclearcommand does not reset the terminal. The shell state remains the same as before. Method 2: Clear the Screen in Linux via reset Command ...
which is the clock that is consulted when you run commands like date. You can also set the system clock using the date command, but it’s usually a bad idea to do so because you’ll never get the time exactly right. Your system clock should be as close to the correct time as possib...
Similarly, clearing swap space in Linux is generally not a routine or advisable practice under normal circumstances. Automating Memory Optimization To automate the process and regularly clear memory, you canset up a cron jobto run the commands at specified intervals. ...
In this section, you will find the commands you can use to flush the DNS cache on different Linux configurations below. Flush Linux DNS using systemd-resolved If your Linux system is systemd-resolved service, you can use one of the following commands in the Terminal window: $ sudo resolvectl...
Check Last Executed Commands Thebash_historyfile is normally located in a user’s home directory/home/username/.bash_history. $ ls -l /home/aaronkilik/.bash_history To remove a single line from the history file, use the-doption. For example, if you want to clear a command where you ...
This chapter is a guide to the Unix commands and utilities that will be referenced throughout this book. This is preliminary material, and you may ...