recall commands previously typed in a shell or other utility

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1answer
84 views

Persistent Bash history between detached processes

I haven't yet been able to find this among the Bash documentation so I was hoping it could get answered if I asked it here. Is there any way that I can, on execution of a script, branch its history ...
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1answer
50 views

Using !n in script or interactive mode

I add to ~/.bashrc the following code: test_exclamation () { printf %s "$READLINE_LINE" | xargs echo } bind -x '"\eX": test_exclamation' I write to bash prompt buffer $ !1700 If I press Enter, ...
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1answer
247 views

Where does bash store the time commands were executed?

Enabling history to display time via export HISTTIMEFORMAT='%F %T ' shows the times of the commands but .bash_history doesn't contain any times. Where does bash store the times the commands were ...
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2answers
96 views

How to find by what means a software has been installed on linux

I have plenty of softwares installed on my Linux machine (RHEL) and some were installed with yum, some other by downloading a rpm and executed it from gnome file manager. I also have few softwares ...
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1answer
29 views

How to prevent .bash_history from being used to rebuild history

We use custom history files which get backed up per user. When someone does a history -c we notice that after they log back in there is history in the buffer again and it seems to come from ...
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1answer
45 views

Create HISTFILE in subshell

Here is my HISTFILE: $ echo $HISTFILE /home/Steven/.bash_history I can create it by using exit: $ [ -e $HISTFILE ]; echo $? 1 $ exit $ [ -e $HISTFILE ]; echo $? 0 However if I exit a subshell, ...
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1answer
22 views

How to increase history in oh-my-zsh?

I just installed oh-my-zsh for the first time. I just want to know how can I modify the number of past commands that are remembered in history? Where can I set this setting?
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1answer
97 views

Where is zsh storing my history?

I have two terminals open, both running zsh. The history options which I currently have set are these: export HISTFILE=~/.histfile export HISTSIZE=10000 export SAVEHIST=10000 setopt ...
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1answer
132 views

KSH on old unix systemV: search history

I have set a good ksh environement on old unix PATH=$PATH:/usr/lib/acct:/usr/sbin:/sbin:/usr/ucb export PATH EDITOR=vi FCEDIT=vi export EDITOR export FCEDIT HOSTNAME=`uname -n` HISTSIZE=500 ...
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1answer
306 views

How to implement command history in Linux terminal?

I am using Putty as Terminal to connect a Linux server running Oracle Linux. To use a command multiple times, I have to type that command each time. There is no function of Up and Down button unlike ...
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1answer
41 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 ...
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1answer
41 views

Sourcing a redistributable script by default

I am creating a bash script which I wish to release on github. The script needs to access the command history but this is not possible without sourcing that script. I don't want users to put it in ...
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1answer
158 views

How to list down all useless or less used files or application in my linux server?

I want to clean cruft from my Oracle Linux server. For this, I need to know which application or directory isn't used or is hardly ever accessed. Is there any command or way to list directories or ...
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0answers
13 views

searching through command line history [duplicate]

I use reverse search when looking for a particular command on the command line by pressing CTRL + R. That returns the first command it finds in reverse order. To go back to the next further command I ...
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0answers
18 views

Can I make history not print any timestamps for commands that were run before I enabled that option?

If you run history, it outputs the current date before commands that were run before I enabled timestamps, is there anyway I can make it ignore that? For example, if my .bash_history looks like this: ...
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1answer
55 views

bash-like last command in history using up-down arrow keys in zsh [duplicate]

In bash, we can use the up and down arrow keys to get the last or nth previous command in history. Can we do this in zsh?
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0answers
23 views

Linux Bash History - eliminate/stop specific command from being stored in history [duplicate]

I have shared history (very large history too) setup in my .bashrc file (see below for my .bashrc). I also have PRTG monitoring (uptime monitoring and graphing, like MRTG) of my many linux/centos ...
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0answers
21 views

How to remove duplicate entries from bash history? [duplicate]

I have set: $ echo $HISTCONTROL ignoreboth:erasedups and expected by the value of erasedups for all my duplicates entries to disappear from my bash history. Yet when calling cd a few time, I still ...
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0answers
18 views

Bash previous command refresh is messed up [duplicate]

I'm running on a mac with el Capitan. I'm at the command prompt, running bash. When I hit the up-arrow, sometimes it's as if it thinks that my prompt is much longer than it is? The first part of the ...
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0answers
49 views

reverse-i-search (Ctrl-r) with history -r?

I'm searching a way to reload the bash history before executing "Ctrl-r" command. Or better, complete using the .bash_history instead of the in-memory dump. Every Terminal has its "own" history but ...
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0answers
22 views

How can I copy the previous argument for the *current* command? [duplicate]

I can use Alt+. or !$ to get the last argument passed to the previous command, however, is it possible to get the last argument passed to the current command? For example, something that I do ...
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votes
1answer
670 views

What does “dd” stand for? [duplicate]

What does dd stand for? I've always referred to it colloquially as "Disk Destroyer", but what are the "official" words that make up the acronym/command? According to this link and this link it could ...
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0answers
135 views

What does !$ mean exactly? [duplicate]

echo !$ outputs different strings depending on my previous command line call. For example: mrdumbdumb-redhat:~ mrdumbdumb$ ls mrdumbdumb-redhat:~ mrdumbdumb$ echo !$ echo ls ls ...
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1answer
3k views

where does history timestamp stored before i enable it

I tried to set timestamp for history. My first attempt was do export EXTENDED_HISTORY=ON command, and it seems like doesn't work. Then i do echo 'export HISTTIMEFORMAT="%d.%m.%y %T "' >> ...
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0answers
329 views

bash: recall command by typing some characters of it [duplicate]

Possible Duplicate: best way to search my shell's history In MSDOS I have the option to start typing some characters of a previous command and then pressing F8 it will search the ...
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2answers
3k views

History command in ksh not able to use [closed]

I am using the ksh shell. I am not getting any impact of these following commands. It is executing without any error but it is not giving the proper results. export HISTTIMEFORMAT='%F %T ' Use the ...