recall commands previously typed in a shell or other utility
1
vote
3answers
19 views
Unlimited history in zsh
In zsh, I want to have unlimited history. I set HISTSIZE=, which works in bash. Now I import an old history
mv old_history .history
which is pretty big
wc -l .history
43562 .history
If I now ...
1
vote
1answer
68 views
timestamp saved history file
I've seen a lot of documentation on how to timestamp the output of the history command. But how would you go about time-stamping a saved history file? For example I have a server setup to save each ...
0
votes
1answer
31 views
How can I access the history buffer in sh? (not in Bash)
Is there a command history in sh, for example how to access it, and as well, how to ensure it is clear?
To clarify shells here: let's say you've logged on to a non-Gui Linux system, and $SHELL is ...
0
votes
1answer
15 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?
1
vote
1answer
50 views
how to save a command in bash history without executing it programmatically?
I have a docker container and every time I build and start it, I want just to press UP for choosing a predefined command.
What's the best way to handle this?
22
votes
8answers
1k views
Clipboard for copying and pasting files in command line?
In Bash, suppose I visit a directory, and then another directory. I would like to copy a file from the first directory to the second directory, but without specifying the long pathnames of them. Is it ...
1
vote
1answer
45 views
Search bash history for already typed command
When I type ctrl+r and then start typing I can see what commands in the history match which is great.
Now is there a way to search the history on commands I have already typed in the terminal?
For ...
1
vote
1answer
33 views
Duplicates in bash history
I have the following in my ~/.bashrc
HISTCONTROL=ignoreboth:erasedups
However my history contains many duplicates e.g. I have 5 entries for sudo apt-get upgrade.
I am running Raspbian Jessie and ...
1
vote
1answer
52 views
zsh HISTFILE - still read from ~/.zsh_history
I set my $HISTFILE env var to something custom, and my zsh is indeed writing to the new histfile.
But when using up-arrow or other history-searching capabilities, it still reads from ~/.zsh_history.
...
1
vote
0answers
23 views
history shows only current session
This is what I see in my terminal in a fresh session:
Agent pid 6847
Identity added: /home/eric/.ssh/id_rsa (/home/eric/.ssh/id_rsa)
➜ ~ history
1 history
➜ ~
I'm using Linux Mint 17.3 ...
0
votes
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:
...
1
vote
0answers
26 views
Can I prevent zsh slowing with a large history?
I've just migrated from bash to zsh. I converted ~/.bash_history for use in zsh. It's 150 000 lines long. bash is almost instantaneous to start up, but zsh is now fairly slow, taking half a second to ...
1
vote
1answer
82 views
Implement a shell in a bash script [closed]
I am trying to emulate a shell in a bash script, like this:
cmd_shell() {
while true; do
read -e -p 'pass> ' command
run_cmd $command
done
}
It works ok, and the option ...
1
vote
2answers
53 views
How to get the previously used command in HP-UX reverse search
I'm using HP-UX OS and want to use previously typed command, as how I'm using in Linux Ctrl+r for ease access in the HP-UX command line.
3
votes
4answers
72 views
Sticky entries in shell history
Is there a way one could make some commands "sticky" in a shell history?
I want to save some favourite commands that would be searchable with Ctrl+R, like the rest of the history, but they should ...
0
votes
1answer
34 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?
1
vote
2answers
75 views
Echo & redirect bash history !commands to file
Is it possible to echo and redirect history commands into a script file by the ! command? Is there variation of the pipe, redirect, or tee commands I am overlooking?
518 xmodmap -e "keycode 66 = ...
0
votes
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 ...
1
vote
0answers
39 views
Variables in history?
Is it possible to include environment variables in the history output.
Something along the lines of:
%T %F $SUDO_USER $HISTORY_COMMAND
1 2015-01-01 00:00:00 USER123 echo 123
Reason being we have a ...
1
vote
1answer
28 views
Is there any way to list the latest GUI transactions in Linux?
Suppose that I've moved a directory in my Xfc desktop in another directory, which I can't remember the name of the destination directory.
Is there any way to list the latest transactions in ...
0
votes
0answers
19 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 ...
3
votes
2answers
65 views
Inconsistent Bash history
On this Debian Jessie installation, Bash history seems to be behaving inconsistently in Gnome Terminal:
$ echo $USER
me
$ echo $HISTFILE
/home/me/.bash_history
$ grep browser ~/.bash_history
...
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 ...
1
vote
2answers
60 views
What is in a new terminal window's command history?
If I open a terminal window (Gnome terminal 3.6.2) and type a command, say echo "hello", then open a new terminal window and type <Ctrl>Rhello, I might expect to be able to dig this command out ...
2
votes
2answers
92 views
Can't get “echo !!” to work in bash from a saved script
I'm trying to write a simple script to take a previous command that was (accidentally) written in a non-English layout, convert everything into correct symbols and run it. I'm using Bash 4.3.11.
My ...
4
votes
3answers
95 views
How to make Bash flush command history so it can be cleared?
I accidentally put a password on the command line and needed to clear Bash shell history. That was easy enough with echo "" > ~/.bash_history.
I added the same to my .bash_logout just in case for ...
3
votes
1answer
126 views
Replace the last word of last command but keep the first
Assuming I have a script for grepping through a bunch of files with certain options and run this script with many different words:
$ mygrep worda
[output]
$ mygrep wordb
[output]
$ mygrep wordc
...
27
votes
2answers
1k views
What does !#:3 mean in a shell command
The install guide for ack suggests installing the ack script using this command:
curl http://beyondgrep.com/ack-2.14-single-file > ~/bin/ack && chmod 0755 !#:3
I assume that the !#:3 at ...
3
votes
4answers
179 views
How to remove the last command (or current command for bonus) from zsh history
Sure there's a super simple smart way to do this, but since history in zshell seems to be aliased to fc, there's no way to use the tricks mentioned in How to remove a single line from history?.
Any ...
2
votes
1answer
107 views
fish: sudo: !!: command not found
I have fish installed in my Linux Mint DE. I really like how fish makes things easier and it looks so pretty although I haven't find a correct answer about why I can't execute:
sudo: !!: command not ...
12
votes
5answers
964 views
How to recall a previous command (without execution) in order to change it?
I can't remember the trick where I could get the last command without running it:
let's say I want to be be able to access the command !1255 when pressing the up arrow key and modify the command. So ...
5
votes
5answers
979 views
Where is the log of used commands in Linux?
In Linux, generally we use a lot of commands and it is difficult to remember all of them.
history
command provides the list of commands we used previously but its limit is less. New commands are ...
17
votes
6answers
1k views
Search for a previous command with the prefix I just typed
We can use up and down arrow to navigate in command history.
In some IDE, such as matlab, if we input sth and then press the arrow keys, we stroll among only the history commands starting with what ...
1
vote
1answer
30 views
Some confusion about the working mechanism of ~/.bash_history
I'm confusing about the content in ~/.bash_history when I worked on several terminals. How does it work on saving the history in different terminals?
0
votes
0answers
44 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
1answer
69 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 ...
3
votes
2answers
153 views
Can I delete .bash_history without sudo?
I don't want it to do it to my system, But I am wondering , is it possible to delete .bash_history ?
And if yes, Then can you bring it up again or there will be no history ever again ?
Also, Is the ...
2
votes
1answer
178 views
.bash_history vs history command
When I open my .bash_history file and view my previous commands via the history command, I see that they are not the same exact commands ?
I feel like the .bash_history commands contains less ...
1
vote
1answer
72 views
Can up arrow command history for oh-my-zsh narrow down history by options/parameters given to the command
Not sure I'm wording the question very well, but an example is worth a thousand words of mine. eg., using oh-my-zsh :
git <up arrow>
Will cycle up all the git commands I have used...
git ...
6
votes
1answer
58 views
How to revert from searching to original command
Following the instructions here, I edited by .bash_profile to enable the up and down arrows to autocomplete what I have typed in the shell based on previous commands.
I added to my .bash_profile:
# ...
4
votes
1answer
135 views
How do I abort fc without executing the command?
The command fc will allow visual editing of the previous command. If I change my mind in the editor, how do I stop the command from being executed. In vim, typing q! or q both result in the command ...
1
vote
0answers
83 views
Why does history not overwrite but append when histappend is set to off in Bash?
Several days ago, I had one Terminal tab doing ssh, and the other doing a lot of work locally. And then I restarted the machine (on a Mac with Mavericks).
When I ran Terminal again, I found that all ...
0
votes
1answer
30 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 ...
2
votes
3answers
118 views
Grab the last executed command from history as a string and store in variable in bash
I'm trying to grab the last executed command, with options, and store it as a string to be written to a file. I've tried using fc but that can only give me the next to last command (for me anyways) ...
6
votes
4answers
81 views
How to repeat a command with an added parameter
I know how to repeat a command and add more text after it with !! like so:
ls -l
!! tmp
The second line expands to ls -l tmp.
But what if I wanted to add parameters to the command in between the ...
2
votes
0answers
72 views
Why does “less” sometimes forget its history
I set and exported $LESSHISTFILE and $LESSHISTSIZE but if I perform a search in one less session, close, reopen it and try to repeat my last search I get "No previous regular expression (press ...
3
votes
1answer
125 views
How to cancel and keep reverse-i-search?
Often I fail to find something with reverse-i-search but want to keep what I have already written. For example, typing pdflatex fails to complete to pdflatex mydocument.tex. If I then cancel it with ...
1
vote
1answer
103 views
Using only in-memory command history
How can I prevent Bash from writing history entries to disk? My ~/.bashrccontains the line
trap 'unset HISTFILE; exit' SIGHUP
but it doesn't have the desired effect. If I run history -c && ...
1
vote
2answers
508 views
Write bash_history to a file with a timestamp
I need help with the script below. The requirement is to capture command line history in a file with specific date and time of commands, when they were executed.
The below script captures history ...
1
vote
1answer
824 views
How to get last N commands from history?
I want to see what are the last N commands in my history. I thought history | tail -n 5 would make it, but I noticed that a multiline command counts for as many lines as it has.
$ echo "hello
how are ...
