Emulating cmd.exe's START command in Microsoft Powershell

MattManela — Mon, 14 Jan 2008 21:36:59 GMT

I often browse through directories using the command line interface. It is sometimes times faster and provides more information than using the GUI. However, many times there are operations that are easier in the GUI. This is why I always loved CMD.exe's START command.

The START COMMAND

Starts a separate window to run a specified program or command.
START ["title"] [/D path] [/I] [/MIN] [/MAX] [/SEPARATE | /SHARED]
      [/LOW | /NORMAL | /HIGH | /REALTIME | /ABOVENORMAL | /BELOWNORMAL]
      [/AFFINITY <hex affinity>] [/WAIT] [/B] [command/program]
      [parameters]
    "title"     Title to display in window title bar.
    path        Starting directory
    B           Start application without creating a new window. The
                application has ^C handling ignored. Unless the application
                enables ^C processing, ^Break is the only way to interrupt
                the application
    I           The new environment will be the original environment passed
                to the cmd.exe and not the current environment.
    MIN         Start window minimized
    MAX         Start window maximized
    SEPARATE    Start 16-bit Windows program in separate memory space
    SHARED      Start 16-bit Windows program in shared memory space
    LOW         Start application in the IDLE priority class
    NORMAL      Start application in the NORMAL priority class
    HIGH        Start application in the HIGH priority class
    REALTIME    Start application in the REALTIME priority class

The START command is built into the command processor and lets you launch ("start") programs. Where this command comes in handy is that if you pass it a directory path it will open that directory in a GUI window. So, when I am traversing directories in the command window and I want to open the directory in a GUI I just type "start ." and presto it opens.

The Move To Powershell

When I started using Powershell the START command no longer worked since its not part of Powershell. After a little searching I found the Invoke-Item command-let.

The Invoke-Item Command

NAME
    Invoke-Item
SYNOPSIS
    Invokes the provider-specific default action on the specified item.
SYNTAX
    Invoke-Item [-path] <string[]> [-include <string[]>] [-exclude <string[]>] [-filter <string>] [-credential <PSCrede
    ntial>] [-whatIf] [-confirm] [<CommonParameters>]
    Invoke-Item [-literalPath] <string[]> [-include <string[]>] [-exclude <string[]>] [-filter <string>] [-credential <
    PSCredential>] [-whatIf] [-confirm] [<CommonParameters>]
DETAILED DESCRIPTION
    Invokes the provider-specific default action on the specified item. When applied to a file system item, for example
    , it will either run the file or open it with the application associated with that file type.

This command-let doesn't behave exactly the same as START command. For example calling the command START without any parameters will spawn a new command shell however to do that with Invoke-Item you must write "Invoke-Item [path to Powershell directory]\Powershell.exe". But since the way I mainly use it still works since "Invoke-Item ." does the same thing as "START .".

After figuring this out there was one more thing I had to do. I am so used to writing "start ." that is became second nature to me therefore I needed to be able to do that in Powershell as well. So I added this line into my Powershell profile:

set-alias start Invoke-Item

Now I can write "start ." in both Powershell and cmd.exe and have it behave the way I want.

Master Boot Record Fiasco

MattManela — Thu, 08 Nov 2007 07:37:56 GMT

The Error

I restarted my computer for the first time in a couple weeks and it would not boot. I was faced with a screen which said:

Grub Loading Stage 1.5

Error 22

A nice helpful error.

Now I was faced with a problem and I needed to figure out how to solve this. My first step was to restart again, since that ALWAYS fixes problems. Sadly, after several more restarts I still was stuck at that screen. Then it hits me as to what is going on.

One Week Earlier

I had Ubuntu 7.04 dual-booting with Windows XP on my computer. I was running low on hard drive space so I decided

to get rid of the Ubuntu partition. That worked fine and then I go on using my computer not realizing that by removing that partition, the Grub application that was in the master boot record would now fail to run.

The Solution

I looked the error up online and found out that Error 22 means that Grub failed to find a partition. Which makes sense since I deleted the partition it was looking for. The simplest solution to this problem would be to put a Windows XP disc in and go to the recovery console. From there you can easily overwrite the master boot record with the default windows one. One problem though, I couldn't find my XP disc. Now I know, I work for Microsoft I could just get one the next day. I thought about that but I didn't want to wait, I was determined to fix the problem. The only solution I could think of to re-install Ubuntu from a Live CD which would let me repartition, and fix the Grub boot record.

In The End

After all of that I am able to boot into my computer once more. I also learned my lesson, Ubuntu does not like when I delete it :)

For now I will stick with having my computer dual-boot Windows and Ubuntu.

Matt Manela's Blog : PC

Emulating cmd.exe's START command in Microsoft Powershell

The Move To Powershell

Master Boot Record Fiasco