Questions tagged [command-history]
recall commands previously typed in a shell or other utility
738
questions
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How can multi-command lines be kept from being recorded in bash history?
There are certain products like vulnerability scanners that log into Linux hosts as a specified user and end up "polluting" the bash history of the account in question. Here is an example of ...
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0
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0
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48
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In the AWS linux terminal every time I run the history command the numbering changes
This makes it impossible to reference previous commands by number.
$ history | tail -3
6691 git push -f
6692 history
6693 history | tail -3
s4dad\patrant@a-48265ltymm4y:~/eyp-source/d8 (feature/...
2
votes
1
answer
43
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How to edit and execute a couple of commands from shell history?
Every now and then I want to recycle a command sequence I recently used, after I adapted it.
Let's imagine, yesterday I executed
foo 42
bar with some strange arguments
baz /my/most/beloved/folder
Now ...
- 13.3k
5
votes
1
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106
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How can I force zsh to write automatically complete path to history?
Suppose I did some time ago cd /path/to/foo/bar and then evince file.pdf. Now if I want to open file.pdf again I have also to do both steps again (using history). However I would do it in a single ...
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Command line / prompt is broken, cannot edit (WSL2)
I'm using Windows 10 with WSL2. In all the terminals I have tried so far, I quickly encounter a broken command line. After pressing ENTER, the actual command appears differently, parts of the command ...
7
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2
answers
843
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Echoing "!" inside a string does some weird things [duplicate]
If I type in this:
echo "Hello, World!"
I don't know the name of it, but it prompts me for the next line. You know the PS2 thing. Or if you type echo \ and press Enter.
Why?
Well I know ...
- 540
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0
answers
31
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Removed duplicates in bash history appearing again after relogin
I recently added HISTCONTROL=ignoreboth:erasedups in my bashrc to avoid having duplicates in the history, this is working when I check using the history command, but the changes are not getting saved ...
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1
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1
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52
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How to search for strings in the output of previously run commands
Say, for example that after running a number of commands:
$ cd /opt/something
$ find . -name *aa | grep 11
$ clear
$ <more commands go here>
there was a part of the output that was needed ...
- 999
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0
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215
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How do I change an oh-my-zsh bindkey that a plug-in set?
You can find most of the context on this github comment. I installed the zsh-autocomplete plugin and it adds a feature I don't want: pressing up fills the page with a menu of previous commands I've ...
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3
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3
answers
221
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How to remove long commands from the bash history
Is there an easy way (i.e. bash command) to remove commands that are excessively long from my bash history? Some long commands are basically making CTRL-R unusable. (Ideally I would also not save ...
- 393
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0
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75
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set histchars not working in zsh
Consider the following commands for overriding the history expansion characters (which I got from Learning Shell Scripting with ZSH book):
% set histchars='@^#'
% ls *.txt
file1.txt file2.txt
% @@
...
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2
answers
1k
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How do I get terminal to print command history with timestamps for all commands
I'm trying to get my terminal (macOS) to print the previous commands that I've used, as well as the timestamps to go with them.
I know that if I use history man, it will give me a list of the past ...
4
votes
1
answer
102
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Fish equivalent of Bash / readline's Ctrl-O "operate-and-get-next"
Readline and therefore Bash have a very useful command called operate-and-get-next, bound by default to Ctrl-O, that executes the current line, after selecting it from the history, and advances the ...
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0
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What does !^ (exclamation mark caret) do in bash? [duplicate]
Does anyone know what the command !^ does in the bash shell? I know ! relates to history expansion and ^ relates to command substitution (when it's not being used in a regular expression when it ...
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-1
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1
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72
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Remove trailing whitespace before saving into the command history
When I paste a command to the terminal, sometimes it ends with some newline or space characters depending on where I copied from. The trailing whitespace characters are typically useless (they don’t ...
- 1,227
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1
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73
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How to exit from root to user in the recovery menu?
A newcomer to linux here, I was trying to set a custom display resolution and make the changes permanent but looks like I've forgotten something and the login screen won't come up (the only thing I'm ...
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2
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1
answer
227
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Why does `erasedups` not work as expected?
The Stage
sam@x230:~$ grep -E '^VERSION=|^NAME=' /etc/os-release
NAME="Ubuntu"
VERSION="20.04.5 LTS (Focal Fossa)"
sam@x230:~$ echo ${BASH_VERSINFO[@]}
5 0 17 1 release x86_64-pc-...
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0
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2
answers
92
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Does any shell dynamically append history?
Does any shell dynamically append history, such that the history survives a crash?
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3
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0
answers
199
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How to add the expanded version of commands involving fzf to history?
Say I would like to edit a file ./long/path/to/my/file/test.py with Vim, but I do not remember the path to the file.
In this case, I would run vim `fzf` to use fuzzy search to find and edit the file.
...
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0
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0
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How did I made the wrong move (by hitting a combination of keys) of cleaning an history entry? (I wouldn't like to repeat this again)
I did something with my keyboard, and it happened that my command, that I was recalling to copy-paste it,
sudo apt -y install postgresql-15 postgresql-client-15,
left my history. It was stored at ...
- 1,363
0
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1
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106
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How may I uninstall the "ps" (process status) utility on a *nix system?
I have heard that ps (process status) can store users' commands history, like what shell history does.
Source: comment on StackOverflow,
Note that if the goal is to hide passwords in command line ...
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4
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1
answer
191
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Cannot modify bash history inside command_not_found_handle function
I'm trying to make my own command_not_found_handle function, which on given a wrong command, asks the user with the most identical command if that was what he meant. If the user accepts that ...
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1
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2
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249
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How to get a Terminator Layout Command to show up in history?
I've discovered the joy saving Terminator layouts and adding commands to ~/.config/terminator/config that are run when it starts up. I've also discovered that hitting Ctrl+c to stop a watch command ...
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1
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1
answer
65
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bash: function with history -d won't remove history entry
After reading some posts, could not figure out how comes history -d 1 in a function does not delete the entry.
The function below goes directly to the command line:
function test () {
echo "...
- 113
0
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1
answer
67
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Search in whole .bash_history list with full-featured regex engine
When I have to search backwards in the .bash_history list I want to see the timestamps as were created by HISTTIMEFORMAT. And the results have to end up in a pager, where regex can be used for ...
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1
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1
answer
27
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Can bash_history save evaluated commands output?
Is there a way for bash or other shells' history to save the output of evaluated commands when it's a parameter?
$ echo $(pwd) && history
/root
0 I want something like:
1 echo $(pwd) &...
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-2
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1
answer
78
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How to timeout firefox kali linux
I want to timeout Firefox on Kali linux with a command. Can you help me? I tried sleep 10 and kill firefox 10.nothing happend after i done this
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153
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Command line history in the fish shell suffering from short term memory issues
Over the last few months, I've been trying out the fish shell as my interactive shell. One issue that somewhat irritates me is that the shell occasionally forgets recent commands from its command ...
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1
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Reverse Search (CTRL + R) no longer searching in .zsh_history
Until recently I used Ctrl+R to search for recent commands in my terminal which uses the zsh shell. The search included commands from previous sessions which were saved in my ~/.zsh_history file.
Now ...
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2
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1
answer
52
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How to automatically clear the terminal before reverse search?
I was wondering if it is possible to run the clear command automatically when I initiate a reverse search with CTRLR.
I am familiar with the precmd function in zsh, but do not know how to limit it to ...
- 161
1
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1
answer
40
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Bash meta-history: recall bash history modification to prompt?
With
!!:gs/foo/bar/
I can modify a previous bash command. Is there any way I can recall the history modification command to the prompt (rather than the result of the modification) in order to be ...
- 195
3
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1
answer
263
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How to do smart backups of terminal history
Trying to implement smart backups of my zsh terminal history (~/.zsh_history). Same goes for bash no difference just the file is called .bash_history.
So far I have decided to create a private git ...
- 31
2
votes
1
answer
84
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How to increase the size of the .ed_history file
I am running GNU ed 1.18 on Fedora Linux 36. I run ed with rlwrap also installed which gives me access to my command history. My .ed_history file appears to have a size limit of 300 lines. I would ...
- 472
2
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1
answer
169
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Fuzzy Search History: Show History Keeping The Lines Intact For Multi-Line Commands
I am working on a zsh widget to fuzzy search history.
skim-history() {
origquery=${BUFFER}
output=$(history -1 1 | sd '^[ ]*[0-9]*[ ]*' '' | sk --tac --no-sort --exact)
if [ $? -eq 0 ]; then
...
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1
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2
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66
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like history and fc but for a personalized list of useful commands
I have spent a few hours trying to get an easy access to my most useful commands I have to use in a certain environment, I have the "incredible" idea of using history for that purpose, to ...
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3
votes
2
answers
123
views
Exporting zsh history separated by ‘\0’ characters instead of ‘\n’
I want to access zsh history with entries separated out by \0 instead of \n. The built-in parser can clearly handle multiline entries, because fc 123 brings up an editor with newlines preserved. ...
- 133
1
vote
1
answer
55
views
Retrieve last command when Chaining
When chaining commands in zsh using ;, && and ||, how can I access the previous command in chain (the command that is being executed before)?
Example:
rm foo ; echo ...
In place of the dots, ...
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1
vote
0
answers
48
views
Define hierarchy of history files for ZSH
My zsh syncs history across terminals. Sometimes this is useful. But many times I just need the last command ran on a specific terminal.
So I'd like to have two history files in use by each terminal ...
- 111
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votes
1
answer
56
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How to use history info/keep count?
man history says history info ?count? and history keep ?count?. I don't know what the two question marks mean. I have tried history keep 1000 to keep 1000 history items, but it just returned fc: ...
- 1,207
3
votes
1
answer
852
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zsh in tabby separate history for each tab
I want to keep history separated for each tab (even for split windows within one tab). I therefore found a solution to add these two lines after source $ZSH/oh-my-zsh.sh:
source $ZSH/oh-my-zsh.sh
...
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0
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55
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Scope zsh history to current file tree if a file exists
I would like to have the following behavior for zsh history:
If the current directory has a .zsh_history file, then treat that file as the history
If the current directory does not have a ....
- 321
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0
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29
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Do operations on the ~/.bash_history file when closing the terminal
I want to add another operation to the closing of the terminal in addition to the ones that are already done by default on the ~/.bash_history file, and they are:
tac ~/.bash_history | awk '!x[$0]++' |...
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3
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1
answer
505
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Any way to resolve `export PROMPT_COMMAND='history -a'` and `HISTCONTROL=ignoredups:erasedups`?
Is there any way to resolve export PROMPT_COMMAND='history -a' and HISTCONTROL=ignoredups:erasedups?
I use the former to import currently unsaved history lines when opening another Bash shell tab, but ...
- 547
7
votes
1
answer
7k
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Temporarily disable history in zsh
How can I enter some kind of "private" zsh shell session where none of my commands will be recorded in the on-disk history?
I know there is an option for adding a space character before any/...
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2
votes
1
answer
167
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Is there an easy way to avoid duplicating commands in bash's HISTIGNORE?
I'd like to ignore all invocations of a command in my bash history, regardless of arguments. For example, to exclude all of ls, ls -l, and ls SOME_DIRECTORY, my understanding is that I'd need to do:
...
- 838
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820
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zsh history command supports more options than documentation states
the history command in zsh supports options like -c and -w even though the documentation states no such options.
Running man zshbuiltins shows the documentation for history command. It says:
...
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0
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212
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How to check other user's input command or related command history log in Red hat 7.5
I find sometimes I can't see other user's input command when other user logins Linux system at same time:
Do you know how to see such input in below Red-hat 7.5 system?
Also does anyone know how to ...
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1
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0
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387
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history of new shell is missing the last few commands?
I've noticed this pretty much ever since I started using Unix systems many years ago, and never bothered to figure out why, abut now I am.
When I use terminal, and I want to use history to see a ...
- 159
1
vote
1
answer
469
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Z Shell History doesn't show timestamps with HISTTIMEFORMAT
I'm trying to add timestamps to my history output. I am running Z Shell on a Mac (Monterey v12.2).
I have the following in my .zprofile regarding history.
export HISTSIZE=5000
export HISTFILE=~/....
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2
votes
0
answers
543
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Sync terminal history in c shell
For work, I remote into a linux server that uses c shell rather than bash using Remote Desktop. While in session (lets call it session 1) I'll open up many tabs in a given terminal and type commands ...
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