How do you grep history?
Use history number | grep keyword the number here refers to how many previous history should be fetched. Example: history 500 will fetch last 500 command of your bash history. To extend your bash history recording add the below lines to your . bashrc file.
How do you check history in Linux?
Another way to get to this search functionality is by typing Ctrl-R to invoke a recursive search of your command history. After typing this, the prompt changes to: (reverse-i-search)`’: Now you can start typing a command, and matching commands will be displayed for you to execute by pressing Return or Enter.
How do I grep history in terminal?
After searching through the history with history | grep ssh you can then execute the command you wish by typing its number prepended with an exclamation mark, e.g. ! 42 . I like to grep my history instead of Ctrl + R backwards search. That’s because you can only see one line with Ctrl + R .
How do I find old command history in Linux?
There are many ways to find an recently executed command.
- The most simple one is to just hit the ↑ key and cycle through your command history line by line until you spot what you looked for.
- You can also press Ctrl + R to enter the so-called (reverse-i-search) mode.
How do I find previous commands in Unix?
To get previous command, hit [CTRL]+[p]. You can also use up arrow key.
How do I find previous commands in Terminal?
Ctrl+R to search and other terminal history tricks.
What is the history command in Linux?
history command is used to view the previously executed command. This feature was not available in the Bourne shell. Bash and Korn support this feature in which every command executed is treated as the event and is associated with an event number using which they can be recalled and changed if required.
How do I use find in Linux?
Basic Examples
- find . – name thisfile.txt. If you need to know how to find a file in Linux called thisfile. …
- find /home -name *.jpg. Look for all . jpg files in the /home and directories below it.
- find . – type f -empty. Look for an empty file inside the current directory.
- find /home -user randomperson-mtime 6 -iname “.db”
How do I see bash history in Linux?
Bash includes search functionality for its history. The typical way of utilizing this is through searching backwards in history (most recent results returned first) using the CTRL-r key combination. For instance, you can type CTRL-r , and begin typing part of the previous command.
How do I find command history?
To search for a command in the history press ctrl+r multiple times 
If I understand correctly and you want to search for older entries, just press ctrl+r again.
Where is the command in Linux terminal?
Finding files by name is probably the most common use of the find command. To find a file by its name, use the -name option followed by the name of the file you are searching for. The command above will match “Document.