A command-line interface (or CLI) is a method of interacting with your OS or software by typing commands on your keyboard.

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42
votes
20answers
81k views

How can I mass rename files from the command line or using a 3rd party tool?

I've got a bunch of files named with a the pattern 99 - DescriptiveName.txt and I'd like to remove the number from the front so I just have DescriptiveName.txt. How can I do this? Can I do it from ...
17
votes
2answers
13k views

Assign a shortcut to running a script in OS X

Does OS X provide an easy way to bind key combinations to commands which are typically run on the command line? For example, is there some way to assign ⌘ Cmd+L as a global shortcut for ...
203
votes
9answers
146k views

Is there any 'sudo' command for Windows?

I always work on a non-administrator account on my Windows computer. Sometimes I need to install programs which requires administrator access. As I mostly use the Windows command prompt, is there a ...
42
votes
7answers
81k views

Using cd Command in Windows Command Line, Can't Navigate to D:\

This may be a stupid question, and I think I have looked elsewhere to find the answer... Might be a path issue, but when I open the command line and type from the C:\>: cd D:\ I cannot get to ...
30
votes
15answers
113k views

Run a batch file in a completely hidden way

I'm looking for some way to run a batch file (.bat) without anything visible to the user (no window, no taskbar name, .etc..). I don't want to use some program to do that, I'm looking for something ...
57
votes
4answers
15k views

Forward SSH traffic through a middle machine

SSH tunneling is very confusing to me. I am wondering if I can do this in Linux. I have 3 machines.. A. My local machine at home. B. Machine at work that I can SSH into (middle man). C. My desktop ...
12
votes
4answers
27k views

How to access the Administrator Command Prompt in Windows 8?

When I access the Run dialog in Windows 8 and type cmd, it opens a command prompt but it doesn't have administrative privileges. Looking for cmd at the default start screen does show a command prompt ...
61
votes
7answers
19k views

Windows equivalent of whereis?

Is there an equivalent of the Unix whereis command in Windows? So that I could figure out where commands I can run actually is.
11
votes
3answers
48k views

Turn off display in Windows 7 without additional software

Is there a way to turn off display in Windows 7 without using additional software? Powershell script works fine, but leaves command-line window after turning on the display.
47
votes
9answers
127k views

How can I put the computer to sleep from Command Prompt/Run menu?

I know that almost everything on Windows, like opening any sort of application, can be done from the command prompt or from the Run menu. How can I put my computer to sleep or shut it down? What is ...
73
votes
6answers
97k views

How do I find out what version of Linux I'm running?

Is there a way to determine what version (distribution & kernel version, I suppose) of Linux is running (from the command-line), that works on any Linux system?
13
votes
4answers
27k views

Remove USB device from command line

I'm constructing a backup script for Windows 7, and the last action I want it to perform is to safely "remove" the USB drive that it is backing up to. I am under the impression that plugging the drive ...
27
votes
10answers
30k views

On Windows 7, is there a command prompt line that can start cmd as an administrator? [duplicate]

On Linux, we can use sudo bash to run a shell as the superuser. On Windows 7, we can use Start menu -> (in search box, type) cmd -> Right click on search result and choose Run as Administrator ...
104
votes
9answers
113k views

Where does $PATH get set in OS X 10.6 Snow Leopard?

I type echo $PATH on the command line and get ...
145
votes
8answers
8k views

What do the parentheses and number after a Unix command or C function mean?

I keep seeing parentheses and a number after a command in Unix or Linux or C function. For example: man(8), ftok(2), mount(8), etc. What do these mean? I see them in man too.
30
votes
2answers
23k views

How does the Windows RENAME command interpret wildcards?

How does the Windows RENAME (REN) command interpret wildcards? The built in HELP facility is of no help - it doesn't address wildcards at all. The Microsoft technet XP online help isn't much better. ...
43
votes
6answers
39k views

Create an alias in Windows XP

Back in school, I used to have a .login file along the lines of alias ll = ls -l alias dir = ls -Fhl alias web = cd ~/public/public_www/development I'd like to do that sort of thing with my ...
55
votes
12answers
112k views

Is it possible to download using the Windows command line?

Without using any non-standard (Windows included) utilities, is it possible to download using the Windows command line? The preferred version is Windows XP, but it's also interesting to know for ...
33
votes
5answers
102k views

Any command-line or batch cmd to concatenate multiple files?

I have 50 text files in one dir. Is there a Windows command-line method to concatenate those files into a single file? I am using Windows Vista. I don't want to type the name of all files.
23
votes
1answer
3k views

Is there a way to make bash more TAB friendly?

I use bash on both my Mac and as my cygwin shell. Overall, I'm quite pleased with it. My one complaint however is that its TAB completion isn't as good as Windows Command Line TAB completion. For ...
49
votes
4answers
13k views

Does bash have a hook that is run before executing a command?

In bash, can I arrange for a function to be executed just before running a command? There is $PROMPT_COMMAND, which is executed before showing a prompt, i.e., just after running a command. Bash's ...
46
votes
9answers
112k views

What is the command to use to put your computer to sleep (not hibernate)?

I want to put my Windows PC (Windows 7) into a sleep state via command line (so I can bind to macro button on keyboard). The power button on the PC is setup to but the computer to sleep (but it's ...
61
votes
8answers
154k views

Can you zip a file from the command prompt using ONLY Windows' built-in capability to zip files?

I have a batch file that outputs a text file. I thought it would be nice if I could zip it up too. This will be used in an uncontrolled environment, so I can't make assumptions about the presence of ...
21
votes
5answers
39k views

How to make a shortcut from CMD?

How can I create a shortcut file (.lnk) to another file or executable, using command line utilities?
16
votes
1answer
5k views

How to change the default terminal emulator on Windows (cmd)?

Is it possible to change the default terminal emulator on Windows (7 and 8 in particular) from Console to, for example, Console2 or ConEmu? In essence, I want all command line tools, whether launched ...
14
votes
11answers
27k views

Windows command that returns external IP

Is there a command by which I can find my external IP of my router or my NAT\DSL Router, etc., eliminating the need to visit whatsmyip.net or similar.
24
votes
7answers
48k views

Take a screen shot from command line in Windows

I am looking for a open source of free tool that I could execute from the command line. It should take a screen shot of the screen and save it to a file. Operating system is Windows. Something like ...
20
votes
12answers
7k views

How do you open the command prompt in Windows 7 with a shortcut key?

Is it possible to open the command prompt with Windows 7 with a shortcut key, and if it is, how do you do it? I know that I can assign a shortcut key to it, but does Windows come with a shortcut key ...
14
votes
6answers
35k views

Windows 7 Administrator Command Prompt “Start in” Path

So, I know you can create a shortcut to an administrator-level command prompt (as described in this question), but what I'm seeing is that whenever I use such a shortcut, it always drops me into ...
20
votes
11answers
53k views

How to prevent the command prompt from closing after execution?

My problem is that in Windows, there are command line windows that close immediately after execution. To solve this, I want the default behavior to be that the window is kept open. Normally, this ...
12
votes
4answers
14k views

Download a file via HTTP from a script in Windows

I want a way to download a file via HTTP given its URL (similar to how wget works). I have seen the answers to this question, but I have two changes to the requirements: I would like it to run on ...
10
votes
3answers
6k views

Can I use the “start” command with spaces in the path?

I have a path like this: Y:\xxx\dd sss\aaa\ccc Y:\ is mapped to an FTP address. Now when I try to use start to open my folder I cannot. Command prompt makes mistake and goes to Y:\xxx\dd folder! I ...
4
votes
3answers
31k views

How to create a shortcut using a batch script? [duplicate]

How can I create a shortcut to the file D:\myfile.extension on the Desktop using a batch script?
17
votes
2answers
29k views

CMD cd to other drives except C:\ not working [duplicate]

Possible Duplicate: Using cd Command in Windows Command Line, Can't Navigate to D:\ I am unable to cd D:\ or cd D: or to any other drives. I am facing this problem from last 2 months ...
2
votes
4answers
451 views

WinXP dir command: 3 and 4 char extensions are the same?

I'm trying to recursively search a directory tree to find all of the .asp files using the following command: dir *.asp /s For some reason, this returns not only the asp files, but also the aspx ...
2
votes
5answers
8k views

Is there a way to use the built-in Windows file compression tool on the command line?

Instead of using Right-Click/Send To/Compress (Zipped) Folder. I am using Windows Server 2003 Enterprise Edition.
34
votes
6answers
31k views

How do I start Chrome using a specified “user profile”?

I use the new built-in "Users" feature of Chrome to switch between Home/Work accounts easily. However, Chrome remembers the "last" user profile you had selected when launching new windows. This is a ...
68
votes
5answers
948k views

How do I locate the MAC address of my computer?

I am unable to locate the MAC address in a new computer with Windows 7. I've tried ipconfig /all in the console to which I got no items match your search. I also tried getmac. A screen flashed very ...
32
votes
9answers
62k views

How can I run an application with command line arguments in Mac OS

Is there any easy way to append command line arguments to an application on a Mac? For example, to run Opera in kiosk mode or to use a different profile in Firefox, I can type $ ...
31
votes
12answers
53k views

Which command can I use to recursively rename or move a file in Windows?

What command in Windows emulates the recursive move / rename command from Unix?
23
votes
10answers
16k views

Bash: Reset and Clear Commands

I have been using the command: reset to clear my terminal. Although I am pretty sure this is not what I should be doing. Reset, as the name suggests resets your entire terminal (changes lots of ...
15
votes
9answers
9k views

Is there an easy way to split mp3 files?

I recently learned a neat trick. To join mp3 files together, you simply use the command (in Windows) copy /b *.mp3 joined.mp3 and voila, you have one large mp3 file. My question: is there a method ...
8
votes
1answer
1k views

Remove all files but one with rm

Is there any way to remove all of the files in a directory except for one with a certain filename? For instance, if I had a directory containing the files file1, file2, and dontdelete. Would there be ...
8
votes
4answers
50k views

How do I set the desktop background on Windows from a script?

On X Windows I had a cool 'silent-alarm" reminder script that would change my root window (background) color to solid red, just for a few seconds a few moments before changing it back. Is there a way ...
9
votes
3answers
15k views

Can I invoke Windows Update from the command line?

It often happens that I have to watch this screen for minutes: I have no clue what's happening in the back. And I'm also not interested in watching the WindowsUpdate.log for changes. I would love ...
11
votes
4answers
3k views

How do I paste into the Windows CMD prompt by using only the keyboard?

My current technique is to right-click in the command prompt and then click paste. This bugs me - is there a better way?
21
votes
8answers
46k views

How do I create a Windows Batch file that does not show the Command Prompt when executed?

I have installed a ruby gem called Redcar, which is launched from the command line. When it runs, it steals the shell until it terminates, so I have to create a new shell window to continue doing ...
11
votes
5answers
21k views

How can I use the Windows 7 command prompt in fullscreen? [duplicate]

I use some DOS applications in Windows 7. Before Windows 7, I could press Alt+Enter to run the application in full screen, but with Windows 7 I can't do this anymore. I get the message: This ...
5
votes
3answers
1k views

CMD - Why “start winword” works but just “winword” doesn't

Assume Microsoft Office is installed. Consider the following batch file: REM the following line successfully launches Microsoft Word start winword REM none of the following commands work to launch ...
6
votes
4answers
2k views

Transparent Command Prompt in Vista?

Is it possible to have a slightly transparent command prompt window in Vista or Windows 7? Are they any 3rd party alternatives?