recall commands previously typed in a shell or other utility

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1
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0answers
176 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
1answer
1k views

How to disable live shell session command history under AIX 5-6?

It's okay that there are history files logging the commands that has been used. That't not the problem. The problem is that when 2 admins are logged in to an AIX server then it could be bad: If ...
0
votes
2answers
693 views

How to use the last command in the while loop?

I am wondering how to modify this code. ls while [ 1 > 0 ] do fc -s sleep 1 done For fc -s, you can refer to this question for details. My question are as follows: How will it run? If you ...
0
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2answers
107 views

Why must you be careful when using Bash's built in command history function to re-run previous commands that contain variables?

I know !! re-runs commands but what exactly would occur if I re-ran a command that had a variable in the command?
0
votes
2answers
60 views

How do I record all terminal input and output to a local file by default for each session?

I'm aware the script command can be used to record all keyboard input and screen output to a file, but this has to be invoked each time a terminal session is started. I keep timestamped versions of my ...
0
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2answers
1k views

Permanently Storing a command in bash history

Is there any way to store a command in bash history permanently? The actual scenario goes like this:- I have a project in C and in order to configure my project, I have to run a very long command ...
0
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1answer
32 views

Can I make sure history logs all execution?

Please forgive the ambiguous nature of this question but I was wondering if there's a way to make sure that all commands executed by some host are logged into history. In my case, if I send a command ...
0
votes
1answer
665 views

How does this bash alias to repeat the last command as sudo work? [duplicate]

I recently came across this ingenious bash alias to repeat the last issued command, but as sudo. This could be done by using sudo !! directly in the terminal after the failed command. The alias I ...
0
votes
1answer
297 views

openSuse, linux, chmod to change link's permisions

I am trying to change the permissions for the link. I want the "Other" entity to have only the read permission, but when I run the command the permissions are not changing. Is there something I am not ...
0
votes
1answer
45 views

Up arrow at an empty prompt in ksh93

This is a request for explanation or pointer to documentation. I'm a KornShell93 (ksh on Mac OS X or ksh93 elsewhere) user. I like the shell for its relative simplicity as an interactive shell and ...
0
votes
1answer
35 views

Why there isn't a number of the command and a timestamp for fish?

In fish, when I type history | less I see the following for example: history | less export HISTTIMEFORMAT="%h/%d - %H:%M:%S " bash in bash I see this: 491 18/04/16 14:31:02 cd 492 18/04/16 ...
0
votes
1answer
85 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 (...
0
votes
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, ...
0
votes
1answer
252 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 ...
0
votes
2answers
97 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 ...
0
votes
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 /root/....
0
votes
1answer
69 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, ...
0
votes
1answer
27 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?
0
votes
1answer
131 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 ...
0
votes
1answer
134 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 LOGNAME=...
0
votes
1answer
315 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 ...
0
votes
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 &...
0
votes
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 ...
0
votes
1answer
166 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 ...
0
votes
1answer
24 views

how to make sure csh won't mess up your tcsh history timestamps?

I use tcsh as my default shell. Sometimes, I run csh (e.g., for testing), and it messes up my savehist history file, particularly, the timestamps -- lots of events end up appearing under the exact ...
0
votes
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 ...
0
votes
1answer
62 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?
0
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0answers
24 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 ...
0
votes
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 ...
0
votes
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 ...
0
votes
0answers
51 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 ...
0
votes
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 ...
0
votes
1answer
761 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 ...
0
votes
0answers
141 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 mrdumbdumb-redhat:...
0
votes
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 "' >> /etc/...
0
votes
0answers
332 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 command ...
-2
votes
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 ...