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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47
votes
21answers
90k views

How can I mass rename files?

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 ...
20
votes
3answers
16k 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 ...
226
votes
10answers
167k 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 ...
52
votes
7answers
108k 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 ...
31
votes
16answers
130k 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 ...
61
votes
4answers
17k 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
36k 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 ...
15
votes
3answers
61k 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.
70
votes
7answers
22k 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.
84
votes
6answers
115k 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?
56
votes
9answers
145k 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 ...
15
votes
4answers
36k 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 ...
106
votes
8answers
118k views

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

I type echo $PATH on the command line and get ...
55
votes
6answers
84k views

How can I open a command prompt in current folder with a keyboard shortcut?

How can I open a command prompt in current folder with a keyboard shortcut in Windows 7? Is there any way to implement this? I think Autohotkey could do this, but don't know how.
34
votes
3answers
31k 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. ...
28
votes
10answers
37k 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 ...
155
votes
8answers
9k 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.
45
votes
7answers
42k 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 ...
24
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 ...
22
votes
11answers
64k 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 ...
53
votes
4answers
15k 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 ...
63
votes
8answers
172k 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 ...
58
votes
13answers
131k 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 ...
41
votes
5answers
118k 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.
19
votes
1answer
6k 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 ...
26
votes
7answers
54k 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 ...
23
votes
12answers
32k 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 ...
46
votes
9answers
121k 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 ...
26
votes
6answers
53k 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?
24
votes
5answers
37k views

Variables in batch file not being set when inside IF?

I have two examples of very simple batch files: Assigning a value to a variable: @echo off set FOO=1 echo FOO: %FOO% pause echo on Which, as expected, results in: FOO: 1 Press any key to ...
16
votes
12answers
32k 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.
16
votes
5answers
39k 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 ...
12
votes
4answers
20k 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 ...
6
votes
3answers
45k 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?
18
votes
2answers
38k 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
469 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
9k 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.
41
votes
6answers
38k 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 ...
73
votes
5answers
972k 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
67k 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
56k 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?
28
votes
10answers
19k 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 ...
27
votes
4answers
28k views

There's no 'sudo' command in Cygwin

Because there's no sudo command in Cygwin, scripts that I want to run fail with ./install.sh: line N: sudo: command not found What's the standard way for getting around this? Editing the scripts ...
16
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 ...
15
votes
3answers
15k views

How do I run a Metro-Application from the command-line in Windows 8?

I'm developing an automation system and one of it's features is running applications from the command line(I mean, automatically without human intervation). On Windows 7 I could run everything I ...
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 ...
9
votes
3answers
26k 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 ...
22
votes
9answers
56k 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 ...
12
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?
11
votes
5answers
22k 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 ...