recall commands previously typed in a shell or other utility
7
votes
2answers
250 views
Command line prediction
I've found an interesting paper: Predicting UNIX Command Lines about command-line prediction (based on user past activity), and I wonder if any actual implementation of such thing exists?
0
votes
0answers
27 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 ...
6
votes
2answers
214 views
How do I add network or user source connection data to history entries?
I would like to modify the history settings for all users on the systems that I manage.
I would like it to contain the information from the connecting terminal like from who
sysadmin:/ # who
sysadmin ...
16
votes
5answers
936 views
In what situations would a user not let the shell record his command into history?
If I add export HISTCONTROL=ignorespace in .bashrc, bash won't record any commands which have whitespace before them into history. But I do not understand under what situations it will be useful. ...
6
votes
3answers
800 views
Is there a maximum size to the bash history file?
Can I increase the size of the command history in bash?
Note that I use a Red Hat Linux computer in the undergraduate astrophysics department here (so I don't get that many privileges).
8
votes
3answers
287 views
Mangled history
In gui mode, when a user has more than one terminal open, how do the terminals rewrite the history file of that user? the reason I ask is because, it is quite possible that in each of the terminals ...
1
vote
1answer
26 views
Different “history” command output after reconnecting via SSH
Why do I get different results for the "history" command for the same user after I reconnect a disconnected SSH session?
I connect to a server using putty (SSH), say as root
My network gets ...
1
vote
1answer
336 views
How do I preserve the history file of cygwin bash across independent sessions?
So my home directory does have a .bash_history file, but it refuses to grow any bigger for some reason. I've already changed the .bashrc settings to set the history size to 99999 and the history file ...
5
votes
4answers
2k views
How to have separate command history for different sessions for the same user?
I face this issue on some of Unix servers. When I open different session for same user, command history is shared by all the session. This creates issues if by mistake I press Ctrl-P or up arrow and ...
10
votes
4answers
1k views
Command-line completion from command history
So, I've looked at history and at Ctrl+R, but they are not what I thought I knew.
Is there a way that I can type in the beginning of a command, and cycle through the matches in my history with some ...
4
votes
5answers
303 views
Last command in ksh
In bash I can use !! to indicate the last command. In ksh I think you can use r to do something similar, but it seems to fail in one of my common patterns: typing sudo [last command].
> cp foo ...
3
votes
3answers
132 views
Lots of text files into one big text file
I want to combine thousands of little text files into one big text file. I have them in directories with the structure: timestamp1/status.txt. For example: 20130430133144/status.txt.
So far, I know ...
3
votes
1answer
49 views
Per-directory history in zsh
I am happily using zsh since a while now, and I am quite satisfied with my history settings, which are:
# Write to history immediately
setopt inc_append_history
# History shared among terminals
...
7
votes
2answers
409 views
How can I run a command in zsh without pushing it onto the current session's history?
Both bash and zsh support a shorthand of not placing a command in history if you prepend it with a space. This works great across sessions (if you've setopt histignorespace). However, the command is ...
3
votes
1answer
61 views
Keep two bash history files, one with ignoredups, one with everything
For the purposes of looking at which commands I am using the most, I'd like to keep a record of command I type in my bash history (even duplicates).
But, for sanity and ease of use, I still want to ...
4
votes
1answer
711 views
How to enable ctrl-R in zsh
I recently switched to zsh (finally) and am loving it!
So far one thing that I am missing is ctrl-R to do incremental history search.
I have the history set up properly
HISTSIZE=10000
...
4
votes
2answers
67 views
Bash Command (History) Number In PS1
I am a noob in bash to be honest. I have Googled around and cannot find an answer to this:
history lists previous commands and their number e.g.
$ history
286 clear
I want to be able to see the ...
1
vote
3answers
137 views
Best tool for monitoring server usage
I was just wondering what the best tools for retracing logs and what logs I should be checking to work out what's going wrong with a server, or what the client has executed to get the server into it's ...
1
vote
1answer
48 views
Enable previous command cycling at ftp prompt
Currently on pressing arrow keys or Ctrl+P/N, I see characters like
ftp> ^[[A
ftp> ^[[B
ftp> ^P
ftp> ^N
I would like to know, how to configure the ftp prompt so that I am able to view ...
3
votes
1answer
259 views
Delete last N lines from bash history
When accidentally pasting a file into the shell it puts a ton of ugly nonsense entries in the bah history. Is there a clean way to remove those entries? Obviously I could close the shell and edit the ...
-2
votes
2answers
140 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 ...
3
votes
1answer
28 views
How can I prevent edited commands from overwriting the original? Or revert edits?
Often I'll execute a command in bash, press the up arrow to retrieve it from history, edit it, and execute the edit. However, sometimes I'll decide to discard the edit and run a different command or ...
4
votes
3answers
109 views
Can any shell do argument-level interactive search?
Sometimes I need to reuse certain long arguments like paths.
If I use history search (CTRL+R), I may find some command that contains the path, but I still need to delete anything else in the old ...
7
votes
2answers
267 views
Saving bash history from multiple Konsole not working correctly
I use multiple Konsole terminals. And I want all the commands I type in every terminal to be saved in command history, so that next konsole i open will have all of them.
To prevent each terminal from ...
2
votes
2answers
2k views
In UNIX, how to find the most commonly used commands in history of unix?
In UNIX, how to find the most commonly used commands in history?
3
votes
2answers
263 views
How to delete commands in history matching a given string?
I need to delete all commands in my history matching a string. I've tried:
$ history | grep searchstring | cut -d" " -f2 | history -d
-bash: history: -d: option requires an argument
$ history | grep ...
0
votes
1answer
264 views
Keep all commands in bash history?
I have the opposite question to this. How do I keep all commands in bash history?
In Ubuntu since quite some time now, the default for bash is to forget commands with non success exit code. This is ...
3
votes
2answers
529 views
Tab autocompletion and history in tcsh
I use tcsh, and I'd like to set up the following behaviour, which I've seen on some systems in the past. If I type
!string TAB
then:
If the history contains a unique entry beginning with string, ...
1
vote
3answers
162 views
How to run the most recent command on AIX?
How can I run the most recent command again from history in AIX Server? And how to edit the most recent command and run it again in AIX?
1
vote
2answers
257 views
Shell - Deal with multiple command history files
Where I work, for security and auditing purpose, we have to keep one history file for each session (user, date, terminal, etc in the file name).
Obviously, the HISTFILE variable, is set to read only ...
4
votes
1answer
281 views
Why does this PS1 value cause unexpected behaviour? [duplicate]
Possible Duplicate:
Why is my bash prompt getting bugged when I browse the history?
I have set my PS1 variable in .bashrc to be the following:
PS1='\e[35m[\W]:\e[0m '
It achieved what it ...
7
votes
2answers
596 views
How to execute consecutive command from history?
Suppose I want to execute a sequence of four commands that I have executed before. If the first one is 432 in the command-history, then I could do:
$ !432; !433; !434; !435
I'm curious, is there a ...
10
votes
3answers
2k views
Bash history: “ignoredups” and “erasedups” setting conflict with common history across sessions
First of all, this is not a duplicate of any existing threads on SE. I have read these two threads (1st, 2nd) on better bash history, but none of the answers work - - I am on Fedora 15 by the way.
I ...
2
votes
3answers
880 views
How to exclude some commands from being stored in TCSH history?
I store my commandline history in TCSH, but I want to prevent certain frequent, simple commands like "exit", "cd" to be included in the history (the history holds only a fixed number of commands, so I ...
3
votes
2answers
348 views
Convert a typescript file to a list of commands (history)
I wanted to record a linux session so I could use it as documentation for a "how to install" guide. I found something on the internet that suggested that the script command would be good for this, and ...
1
vote
2answers
227 views
Why “reverse-i-search” does not work on my centos sytem?
When i press CTRL+r, the "reaverse-i-search" works well:
but then when i press "arrow up" key, none history commands show, just nothing happens!
Any configuration not compare?
5
votes
1answer
216 views
Re-run multiple history commands
Imagine you've just run a dozen commands. Say...
$ cd foo/ # history cmd #10000 (my history is very long)
$ ... more commands ...
$ cd ../ # history cmd #10012
I know I can re-run them ...
6
votes
2answers
236 views
How to exit bash history search mode?
In Ubuntu 12.04 I use CTRL-r to enter a reverse history search. If the command I want is not found (after repeated CTRL-r), how do I immediately exit back to the (empty) command prompt with no ...
4
votes
1answer
487 views
Bash history with timestamps
I would like to keep timestamps on the commands logged in my Bash $HISTFILE, is it possible?
I did not manage to set it up using man bash as an information source.
My other options are as follows:
...
6
votes
1answer
1k views
How to remove a single line from history?
I'm working in Mac OSX, so I guess I'm using bash...?
Sometimes I enter something that I don't want to be remembered in the history. How do I remove it?
6
votes
1answer
776 views
How can I remove duplicates in my .bash_history, preserving order?
I really enjoying using control+r to recursively search my command history. I've found a few good options I like to use with it:
# ignore duplicate commands, ignore commands starting with a space
...
2
votes
1answer
223 views
How to stop bash replacing commands in history with asterisks ? (‘*’)
I have some commands replaced with * in the bash history, e.g.
1094 apt-get update
1095*
1096 dpkg -i /var/cache/apt/archives/libssl1.0.0_1.0.0h-1_amd64.deb
How to prevent this?
14
votes
4answers
505 views
Finding command execution time in hindsight
I've just executed a long-running process from the bash prompt. In hindsight, I wish I'd run time on it, or noted down the time at which I kicked it off.
Is there any way of getting this information ...
3
votes
2answers
129 views
Searching command history
I search the terminal command history by pressing Ctrlr but what if:
This is an old command
This is an | less -S older command
I press Ctrlr and then I type "this is an" and the old command commes ...
2
votes
0answers
110 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
vote
0answers
198 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 ...
1
vote
4answers
123 views
How can I do the `history` command and not have line numbers so I can copy multiple line commands?
Sometimes I do the history command so I can see 4 commands in a row.
I want to copy those commands so I can run them again.
I usually select them with the mouse and shift-ctrl-c which works ok, but ...
7
votes
1answer
1k views
How do I perform a reverse history search in ZSH's vi-mode?
I use vim for essentially all my editing needs, so I decided to once again try vi-mode for my shell (currently ZSH w/ oh-my-zsh on OS X), but I find myself trying (and failing) to use Ctrl-R ...
3
votes
2answers
141 views
Is there a way to make the history when pressing up in bash shared between shells?
I've seen this answer:
Preserve bash history in multiple terminal windows
This works for history, but I'm wondering if there is way to extend this so pressing "up" is shared as well?
1
vote
3answers
481 views
How to save command line history without logout? [duplicate]
Possible Duplicate:
Is there a way to make the history when pressing up in bash shared between shells?
I am opening more than one console tab and I want to use commands that executed from ...
