Cfrtjryk

When I run the history command on my ubuntu server, I get output as follows:

   history

   ...

   25  cd ~

   26  ls -a

   27  vim /etc/gitconfig

   28  vim ~/.gitconfig

I want to view the datetime of a particular user. However when I assume them:

su otheruser

export HISTTIMEFORMAT='%F %T  '

history

...

25  cd ~

26  ls -a

27  vim /etc/gitconfig

28  vim ~/.gitconfig

It still doesn't show datetime. I am using zsh shell.

I believe the HISTTIMEFORMAT is for Bash shells. If you're using zsh then you could use these switches to the history command:

Examples

$ history -E

    1   2.12.2013 14:19  history -E



$ history -i

    1  2013-12-02 14:19  history -E



$ history -D

    1  0:00  history -E

    2  0:00  history -i

If you do a man zshoptions or man zshbuiltins you can find out more information about these switches as well as other info related to history.

excerpt from zshbuiltins man page

Also when listing,

  -d     prints timestamps for each command

  -f     prints full time-date stamps in the US `MM/DD/YY hh:mm' format

  -E     prints full time-date stamps in the European `dd.mm.yyyy hh:mm' format

  -i     prints full time-date stamps in ISO8601 `yyyy-mm-dd hh:mm' format

  -t fmt prints time and date stamps in the given format; fmt is formatted 

         with the strftime function with the  zsh extensions described for 

         the %D{string} prompt format in the section EXPANSION OF PROMPT 

         SEQUENCES in zshmisc(1).  The resulting formatted string must be no 

         more than 256 characters or will not be printed.

  -D     prints elapsed times; may be combined with one of the options above.

Debugging invocation

You can use the following 2 methods to debug zsh when you invoke it.

Method #1

$ zsh -xv

Method #2

$ zsh

$ setopt XTRACE VERBOSE

In either case you should see something like this when it starts up:

$ zsh -xv

#

# /etc/zshenv is sourced on all invocations of the

# shell, unless the -f option is set.  It should

# contain commands to set the command search path,

# plus other important environment variables.

# .zshenv should not contain commands that produce

# output or assume the shell is attached to a tty.

#



#

# /etc/zshrc is sourced in interactive shells.  It

# should contain commands to set up aliases, functions,

# options, key bindings, etc.

#



## shell functions

...

...

unset -f pathmunge _src_etc_profile_d

+/etc/zshrc:49> unset -f pathmunge _src_etc_profile_d



# Created by newuser for 4.3.10

history -E or history -i or whatever DO NOT work for me.

zsh --version shows that zsh 4.3.6 (x86_64-suse-linux-gnu).

Then fc -li 100 works! It shows the recent 100 commands with timestamp :)

If you are using oh-my-zsh addon in zsh, history -E or history -i wont work (because it's aliased to fc -l 1).

As @juanpastas pointed out, try

history -E

or

history -i

or

fc -li 100