recall commands previously typed in a shell or other utility

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3answers
262 views

how to record all who that login to my linux machines and records them

I installed the package audit on my linux red-hat 6.x machine in order to view the recored of each user that log to my linux machine yum install audit kit installation from: ...
5
votes
1answer
92 views

Bash: “history number” vs “command number”

While Googling how to customize my shell prompt via the PS1 variable, I'm seeing tables of special characters that can be used. In particular: \! the history number of this command ...
5
votes
1answer
133 views

How to stop bash editing the history when I reuse and modify an entry?

Some instances of bash change the command history when you re-use and edit a previous command, others apparently don't. I've been searching and searching but can't find anything that says how to ...
2
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1answer
58 views

Execute commands from history that match regex or grep

I was wondering if its possible to execute commands from history that match a certain regex? I know you can do something like fc 232 248 And it will go into your history and then do revisions ...
1
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1answer
37 views

How to exclude command from history list, but to keep it in “live” history?

I've meanwhile managed to keep my history a lot cleaner thanks to you guys' great tips involving the HISTIGNORE option in .bashrc, omitting all those pointless ll or df -k lines. However, I've ...
0
votes
1answer
16 views

Getting the starting position in the history that will be appended to the history file (not read from the file or previously written)

I'm trying to write functions to remove some history lines using history -d before it is written to the file, while leaving them usable in the shell itself. But apparently this command will not ...
0
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1answer
31 views

append file with history line number values

Is there a way to append my_computer.sh with the command on line 330 by only referencing the line number? or with the fewest keystrokes possible? 326 pip install -U pip 327 man pip 328 cat ...
0
votes
1answer
57 views

.bash_history keeps truncating

My .bash_history keeps truncating even though I set: export HISTSIZE= export HISTFILESIZE= On my .bash_profile. Im not sure when it happens but it might happen when I logout or shut down my ...
4
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0answers
35 views

Search history from multiple bash session only when Ctrl + R is used, not when arrow keys are used

I usually have multiple bash sessions open. I want the history from multiple session to appear when doing a search (with Ctrl + R). When arrow keys are used only the current bash session's history ...
3
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0answers
246 views

How to create a bash command which creates output that exactly mimics a source text file that can be pasted into bash shell where histexpand is on?

The goal is to create a bash one line command that can be copied and pasted - for instance published on a web forum - and then patches files. See it as a way to distribute a patch file by copy and ...
2
votes
0answers
298 views

Tcsh: Searching history using Ctrl-P and Ctrl-N

What are the equivalent functions in tcsh for the following zsh functions? up-line-or-history history-beginning-search-backward down-line-or-history history-beginning-search-forward I have the ...
1
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0answers
17 views

Cross-session duplicate removal in bash command history

The problem context: always active ignoreboth and erasedups HIST_SIZE and FILESIZE with desired/practical limits of different history lines for our user almost always have multiple parallel sessions ...
1
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0answers
58 views

Why can I change bash history?

Why does bash change the history even I'm not executing a command I'm modifying? For example, if I type: $ echo foo1 foo1 $ echo foo2 foo2 $ echo foo3 foo3 After this, I press up twice, and I get ...
1
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0answers
128 views

Zsh: quickly bookmark commands

I just had an idea, I'm sure it must exist though I could not find anything on the web. This topic gets close to my idea but not enough: How to quickly store and access often used commands? I'd like ...
1
vote
0answers
445 views

How to use history commands with readonly PROMPT_COMMAND?

I'm sometimes logged in on a host which I do not control and where PROMPT_COMMAND is readonly. Is there some way to work around this to run history commands anyway, for example using PS1? I've tried ...
0
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0answers
41 views

Bash ignore “update” command

I have this in my .bashrc export HISTTIMEFORMAT="%Y/%m/%d - %H:%M:%S - " export HISTIGNORE="&:[ ]*:reload:update" export HISTCONTROL=ignoreboth:erasedups shopt -s autocd shopt -s cmdhist shopt ...