The history command can be used to retrieve the the commands you have previously typed in a shell.

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82
votes
5answers
54k views

How do I show apt-get package management history via command line?

Is there a way to show the history of packages that were changed by apt-get via command line?
67
votes
4answers
34k views

Bash history search, partial + up-arrow

I have searched, but not found anything on this. I am looking for a functionality in bash, using a terminal. Way back when, I had a user on a debian system, and a friend set me up with a convenient ...
7
votes
3answers
2k views

How can I make a list with most used commands in terminal?

How can I make a list with most used commands in terminal? I know that this question may be unuseful for any future proposals for some of us, but even like this, the list can be useful when we don't ...
121
votes
8answers
306k views

How to clear bash history completely?

I want to clear all before command from history of my server. I use history -c it seems all things are cleared but when I ssh to the server,all commands are still there. How can I clear them ...
54
votes
3answers
91k views

How to see time stamps in bash history?

Is there any way I can see at what time the commands were executed from the bash history? We can see the order but is there any way I can get the time also? Bottom-Line: Execution time in the Bash ...
42
votes
5answers
20k views

How to avoid duplicate entries in .bash_history

The same command is listed in my history again and again. How can I avoid this? I know it's possible via HISTCONTROL but I haven't found the right way.
4
votes
3answers
10k views

View history of commands ran in terminal

Is there a way to save all my typed terminal commands and view it like history in a log book?
4
votes
1answer
1k views

How can I delete the command line history from the dash?

When accessing the command line by pressing Alt+F2 it opens the dash and displays a history of previous commands which have been entered. How can this history be removed? I've tried using Activity ...
5
votes
3answers
2k views

History command showing the directory and the date

Is there a way to have in the .bash_history file, listed: the directory where the command has been typed, the date, and the command ?
48
votes
3answers
18k views

Is it possible to make writing to .bash_history immediate?

I often open lots and lots of Terminals [Right now I have 7 open on this workspace] and I often search history with grep to find a command I've just written recently, but I don't want to hunt down the ...
44
votes
4answers
30k views

Bash history handling with multiple terminals

I use mainly Terminator, and it's usually opened with 3 split terminal windows. I also use Gnome terminal for various reasons. I'm wondering how is bash history handled in this case as I sometimes ...
12
votes
4answers
39k views

How to find history of shell commands since machine was created?

I created an Ubuntu virtualbox machine a couple weeks ago and have been working on projects off and on in it since then. Now I would like to find the syntax of some commands I typed in the terminal ...
4
votes
3answers
2k views

Gedit 3.6.1, how to increase the number of recent files from its default of 5?

Ubuntu 12.10, gedit 3.6.1 This won't work: gconftool-2 --type int --set /apps/gedit- /preferences/ui/recents/max_recents 30 Modifying this file as root won't work either: cat /usr/share/glib-2....
4
votes
2answers
12k views

How do I check if someone accessed my computer?

I need to check the list of files accessed in my computer (ex: yesterday on particular time). Is it possible? Or I need to check whether anybody accessed my computer (when I left it unlocked) or ...
24
votes
2answers
9k views

How do you share history between terminals in zsh?

How can it be achieved so that every command that is entered, is visible in every open terminal's history? When having multiple terminals open, the history isn't shared, i.e. what you entered in one ...
1
vote
2answers
52 views

Generate a log of all the installs on a system (whether apt-get/yum/pip/npm/…)

Is there a command (or specific syntax for history command) that generates (to screen or file) a log of all the installs on a system (whether they were through apt-get/yum/pip/npm/...). If possible, ...
203
votes
10answers
12k views

Terminal 'incognito mode'?

I use Terminal a lot, and sometimes I am running commands, which aren't things I don't want others to see, but more commands that if I accidentally arrowed up to and accidentally executed would cause ...
13
votes
3answers
21k views

How to save terminal history manually?

It's my understanding that the history file is updated when the terminal exits. But sometimes my computer crashes out, and the terminal doesn't exit cleanly, and then I lose those commands from my ...
8
votes
2answers
1k views

Get bash history to remember only the commands run with space prefixed!

The commands executed in the terminal prefixed with blank space(s) are not recorded in the command history file. But is there a way to get the reverse i.e. the history should only record those which ...
0
votes
2answers
2k views

Logging of commands executed in Bash

Sometime back, we had a requirement to log commands run on the terminal in the Bash shell. This was solved by means of a startup script with essentially the following contents: #!/bin/bash ...
3
votes
1answer
293 views

How to know the time of execution of previous commands [duplicate]

I know that using the history command I can view my past commands, but: Is there a way to view the date and time of the execution of those commands? Or is that kind of information not saved? And ...
5
votes
2answers
2k views

Deleting last few hours of zeitgeist history like in Firefox?

I want to open secret files on Ubuntu Natty and after my work delete the history of open files or any recorded activity during last: one hour three hours one day one week etc... how can I do this, ...
3
votes
2answers
270 views

There seems to be a difference between .bash_history and what up arrow displays, where does the up arrow get it's data?

I seem to have discovered that the ~/.bash_history file doesn't contain what is displayed when you use the up arrow. I found this by doing a command like so $smbclient -L 10.2.10.240 -umyuser -p"...
2
votes
1answer
74 views

How do I make sure that I have received a fix for a bug?

The symptoms of my computer crashing was very similar to those reported in the comments section of a particular bug in an application that I download and get updates via a ppa. Recently, the ppa's ...
1
vote
2answers
838 views

History list without timestamp and unique the results

Using bash, I save my history with the timestamp. How do print the history omitting the timestamp? alias h=history alias g=grep -i To find lines that I used for heroku, I type: > h | g ...
0
votes
2answers
149 views

How to prevent commands being removed from history?

I have noticed that when I go up through my commands using the arrow keys, UP and DOWN, that if I then edit a command, it edits it in history, and I can even remove a command like that, however I do ...