We frequently use thehistory commandin our daily routine jobs to check thehistory of commandsor to get information about commands executed by users. In this post, we will see how we can use the history command effectively to extract the commands that were executed by users in the Bash shell....
If you check the history command and the content of ~/.bash_history, you'll see that the commands you ran in the present session are not in the ~/.bash_history file. If you have ever opened multiple terminals and tabs, you might have realized that recently run commands in one tab is...
执行 history 后你会看到三条重复的条目,要剔除这些重复的条目,你可以将 HISTCONTROL 设置为 ignoredups: # pwd # pwd # pwd # history | tail -4 44 pwd 45 pwd 46 pwd [Note that there are three pwd commands in history, after executing pwd 3 times as shown above] 47 history | tail -4 # ...
Running thehistorycommand without options displays the list of commands used since the start of the terminal session: history Limit the Number of Entries To display the command history list with a limited number of entries, append that number to thehistorycommand. For instance, to show only the ...
[Note: Press enter when you see your command,whichwill execute the command from the history] #cat/etc/redhat-release Fedora release9(Sulphur) 快速重复执行上一条命令 有4 种方法可以重复执行上一条命令: 使用上方向键,并回车执行。 按!! 并回车执行。
How to use the history command in Linux? Let’s see some examples of using history command in Linux. 1) Use arrow keys to scroll through history of commands Many of us don’t think of what the command line was like before we knew this trick. If you don’t already know, using your...
history The list of previously used commands is then written to the terminal window. The commands are numbered, with the most recently used (those with the highest numbers) at the end of the list. To see a certain number of commands, you can pass a number tohistoryon the command line. ...
history # 查看历史命令 场景2:/proc 目录有哪些信息 cat /proc/... cgroups cmdline cpuinfo crypto devices diskstats filesystems iomem ioports kallsyms meminfo modules partitions uptime version vmstat 场景3:后台执行命令 nohup &>[some.log] & 一些命令 ...
history command with strings As you can see, I successfully updated my Linux system from the command line without using the full ‘sudo apt update’ command. This hack from the Linux history command manual is useful when dealing with longer commands that might be tedious to type or might lead...
history –Display previously used commands within the current terminal session. man –Access help manuals for commands right within the terminal. screen –Manage multiple terminal sessions from a single window. ssh –Establish secure encrypted connections to remote servers. tcpdump –Capture network traf...