Questions tagged [bash]

Bash is a free shell for Unix-like operating systems from the GNU Project.

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Who deals with the star * in echo *

Who deals (interprets) the * in echo * Does the echo see the star or the shell take care about it and return a list of filename .. What about cp temp temp*
faressoft's user avatar
  • 403
18 votes
5 answers
46k views

No such file or directory after typing $PATH in terminal

when I write in terminal echo $PATH my output is :/home/bo/bin:/usr/local/bin:/usr/sbin:/usr/local/sbin:/usr/bin:/sbin:/bin but when I write just : $PATH this output I do not understand right, ...
wair92's user avatar
  • 301
18 votes
1 answer
6k views

Dash (-) in front of bash

If I examine my bash shell in an OS X (10.6.4) terminal, such as by typing echo $0, there is a dash in front of my shell, like this: -bash. What does this dash mean?
marshall.ward's user avatar
18 votes
5 answers
16k views

find files with ACLs set

How can I find all files with some extended ACLs set, i.e. those with a little + at the end of the permission flags shown by ls -l. I could not find a corresponding flag for find. My naive approach ...
Speckinius Flecksis's user avatar
18 votes
4 answers
17k views

Spawn New Cygwin Window from Within Cygwin

I can't figure out how to launch a new Cygwin session from within Cygwin, similar to launching a new terminal from within bash with: gnome-terminal It's probably easy but I am missing something. ...
nicorellius's user avatar
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18 votes
2 answers
25k views

Mounting network drive in Windows 10 bash?

In my windows 10 command prompt, when I need to set the drive to some network shared drive I just use net use V: //192.168.xxx.xxx/folder I added Bash on Ubuntu on Windows in my Windows 10, and I'd ...
dingo_d's user avatar
  • 333
18 votes
1 answer
46k views

How to permanently add current directory to PATH in Linux? [duplicate]

Possible Duplicate: Add folder to PATH I want to a add a directory to my bash to search in, and I am using the $PATH=.... it works however when I open a new command window it is not there. How ...
user avatar
17 votes
3 answers
33k views

bash commands that don't fit on one page - make output scrollable

Probably been answered somewhere, but its difficult to frame the search phrase. I am running a bash terminal window and some commands are too big to fit on the page (e.g. ps -A) I vaguely recall a ...
code_fodder's user avatar
  • 1,551
17 votes
8 answers
9k views

Windows 10 linux bash shell ctrl+space doesn't set mark in Emacs

In Windows 10 I installed Subsystem for Linux Bash. But I have a problem with shortcut in Emacs Ctrl+space doesn't set mark point. What i tried and didn't help: I tried to uncheck "enable Ctrl key ...
Pawel Dubiel's user avatar
17 votes
2 answers
45k views

How to change the resolution of the Bash for a Debian VM?

I'm trying to learn how to use Linux with a Debian 7 VM that has no GUI. The 640x400 window I'm working in feels a little constricting and would like to make it bigger, say 1024x768. How can I do this?...
Louis Waweru's user avatar
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17 votes
2 answers
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Is there a way of using ctrl-r after typing part of command in bash?

In bash the Ctrl+r command is very useful, I type Ctrl+r whatever and it searchs my history for commands containing the word whatever. But if I type whatever and realize that I would like search that ...
skeept's user avatar
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17 votes
2 answers
7k views

Is it possible to run a bash script in a sort of sandbox?

Our product has a need to execute an unknown bash script on a delicate server in order to achieve a certain goal. This bash script is user-supplied. We are interested in ensuring that only specific ...
Yon's user avatar
  • 353
17 votes
1 answer
7k views

Redirect stdout/stderr of a background job from console to a log file?

I just run a job (assume foo.sh). ./foo.sh [Press Ctrl-Z to stop] bg # enter background And it generate output to stdout and stderr. Is there any method to redirect to stdout and stderr to other ...
Daniel YC Lin's user avatar
17 votes
4 answers
46k views

Using Wget to Recursively Crawl a Site and Download Images

How do you instruct wget to recursively crawl a website and only download certain types of images? I tried using this to crawl a site and only download Jpeg images: wget --no-parent --wait=10 --...
Cerin's user avatar
  • 9,142
17 votes
4 answers
28k views

Where is the Windows bash directory in Windows?

I've installed the Windows 10 Anniversary Update on my computer. I would like to know where the /root directory in Bash prompt is within Windows? I would like to be able to write files in Bash that ...
Patrick's user avatar
  • 1,246
17 votes
2 answers
38k views

Bash, how to globally fix ^H and ^? backspace problems

I'd like to fix this frequent problem where the shell on a remote server thinks my terminal's backspace key is ^? and sometimes it thinks it is ^H, and happens to be incorrect and outputs the wrong ...
fragsworth's user avatar
17 votes
5 answers
21k views

Windows 10 WSL (bash) and mintty

I just installed the new Linux subsystem in Windows 10. It's really nice to have access to the Ubuntu repositories, but I absolutely HATE the default terminal program. Cygwin comes with MinTTY which ...
ewok's user avatar
  • 4,191
16 votes
5 answers
21k views

Open Google Chrome Specific Profile From Command Line Mac

I have been trying to open Google Chrome from command line but with no luck! I have tried How do I start Chrome using a specified "user profile"? My goal is to open Google Chrome with a ...
gradedcatfood's user avatar
16 votes
7 answers
31k views

Running a bash background process on Windows 10 without an open terminal

I usually use the linux subsystem when I'm programming anything on Windows 10 so all my paths are relative to ~. I have a python script that runs forever in the background until I kill the process. ...
Ash's user avatar
  • 263
16 votes
4 answers
64k views

How to sign into "root" account by default on Windows Subsystem for Linux Bash terminal

Windows 10's Anniversary Update just came out and I immediately installed the Windows Subsystem for Linux to see how it fares. I found only one major shortcoming so far: there was no obvious way to ...
SeinopSys's user avatar
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16 votes
8 answers
27k views

Setting ID3 title tag to be equal to MP3 file name

Has anyone got a bash script that will go through a media library and set the id3 title tag of each MP3 file to be equal to the file's name? I'm open to other automated methods too. It can be a GUI ...
MountainX's user avatar
  • 2,104
16 votes
1 answer
70k views

How do I list all installed packages from the command line in bash / osX

What is the -bash command to list all the packages installed locally on my machine? I am using osX. I tried the following so far: dpkg -l - doesn't work. apt --installed list - doesn't work. ...
Mowzer's user avatar
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16 votes
2 answers
7k views

What bash < < syntax mean?

Ruby Version Manager (RVM) installed like so: bash -s stable < <(curl -s https://raw.github.com/wayneeseguin/rvm/master/binscripts/rvm-installer) I understand what first < mean (feeds bash ...
Nemoden's user avatar
  • 2,477
15 votes
10 answers
24k views

Linux: rename file but keep extension?

In Windows/DOS, I can say rename myfile.* yourfile.* to change the name but keep the extension. How is that accomplished on Linux? The man page only suggests how to change the extension, but that's ...
Torben Gundtofte-Bruun's user avatar
15 votes
1 answer
6k views

screen - move cursor to beginning of line

In bash I can usually move the cursor to the beginning of the line using CTRL+a. In screen, CTRL+a is being used for the special screen-commands. How can I a) use another key-combination for the ...
Zulakis's user avatar
  • 1,704
15 votes
6 answers
45k views

Mounting a remote filesystem on Windows 10 using Bash

Now, that windows 10 is out I started wondering about something. Unix based systems have the possibility to mount remote filesystems using ssh. In a recent article I've read that Windows 10 Has ...
Peter's user avatar
  • 173
15 votes
3 answers
6k views

Is there a shell which supports fuzzy completion as in Sublime Text?

I'm using bash and I was wondering if there is any plugin in bash or other shell which allows me to do this cat tfnislong.txt + [tab] completes to cat ThisFileNameIsSoLong.txt just like tab completion ...
woodings's user avatar
  • 647
15 votes
3 answers
17k views

Stop a Mac from sleeping while a bash script is running, then allow it to sleep as normal once complete

I've got my Mac to wake up during the night and run an rsync to back it up. This is configured through Energy Saver > Schedule. However it seems that it's going back to sleep before it can get ...
user avatar
14 votes
6 answers
17k views

Custom vim highlighting

I am editing some xml right now and I have been leaving myself some comments of things to come back to. Like this <!-- Question: bla bla --> I am editing with vim right now and I would like ...
sixtyfootersdude's user avatar
14 votes
3 answers
14k views

When cloning on with git bash on Windows, getting Fatal: UriFormatException encountered

I am using git bash $ git --version git version 2.9.3.windows.1 on Windows 7. When I clone a repo, I see: $ git clone https://[email protected]:5555/scm/repofolder/repo.git Cloning ...
ericg's user avatar
  • 564
14 votes
2 answers
21k views

Can't ping in Bash on Windows

When I try to run: ping www.google.com I get the following error: ping: icmp open socket: Permission denied Running with sudo doesn't make a difference.
Silveri's user avatar
  • 2,877
14 votes
2 answers
7k views

How does Mac OS X set the value of $PATH?

I have a basic understanding on how the $PATH can be set, but is there a documentation that fully describes where Mac OS gets all the paths that get appended to $PATH? I'm aware of things like /etc/...
Psycho Punch's user avatar
14 votes
2 answers
69k views

How do I see all previous output from a completed terminal command?

I've executed a command in gnome terminal that printed more output to the terminal than I expected. I'd like to read the entire output, but the terminal scroll stops before reaching the beginning. I ...
JonahHuron's user avatar
14 votes
14 answers
68k views

Scripting: what is the easiest to extract a value in a tag of a XML file?

I want to read a pom.xml ('Project Object Model' of Maven) and extract the version information. Here is an example: <?xml version="1.0" encoding="UTF-8"?><project xmlns="http://maven.apache....
Anthony Kong's user avatar
  • 5,018
14 votes
2 answers
14k views

How can I make a Windows shortcut that launches Bash and runs commands?

I've created a windows shortcut with a target that looks like "C:\Windows\System32\bash.exe" php /c/script.php (I know I could just use my windows verison of php cli to run this, but out of ...
Keith's user avatar
  • 243
14 votes
5 answers
19k views

Must I sftp to an intermediate server?

I can't sftp directly into a particular host. To move a file from my home machine to the host, I must sftp a file to an intermediate host; ssh into the intermediate host; and sftp the file to the ...
user74094's user avatar
  • 297
14 votes
4 answers
15k views

How do I fix my prompt in emacs shell-mode?

I'm doing some programming on a colleague's machine. He has a version of emacs (23.1.1) I haven't used before. My problem is that when I go to shell-mode, my bash prompt looks like this: ^[]0;jay@...
Jay Conrod's user avatar
  • 5,620
14 votes
4 answers
20k views

What does `>>` mean in terminal command?

I came across a command just now given below - $ echo 'eval "$(jenv init -)"' >> ~/.bash_profile From what i can guess, it is probably used for committing the changes in .bash_profile but ...
monster's user avatar
  • 315
14 votes
1 answer
33k views

ssh + sudo + su into login shell

I have several machines I ssh into regularly only for the purpose of using sudo su to spend the rest of my session logged in as some special-purpose user. The general workflow is: mymachine:~ me$ ssh ...
David Moles's user avatar
14 votes
3 answers
27k views

Linux: View and kill disowned process

I have started a program in Linux using & and disown. I wish to see if it is still running and possibly to kill it. I started the process with commands like these: (env)bash-4.2$ python manage....
user715198's user avatar
13 votes
3 answers
4k views

Is it possible to check whether -e is set within a bash script?

If a shell function needs a specific setting of -e/+e in order to work, is it possible to set that setting locally and then restore it to its previous setting before exiting the function? myfunction()...
usta's user avatar
  • 277
13 votes
2 answers
10k views

how to export variables back to the parent process

I'm try to export variables back to the parent process. $ export VAR=FALSE $ echo $VAR FALSE $ ./myprogram # this will set VAR=TRUE $ echo $VAR TRUE <========== I want to print `TRUE` here
kev's user avatar
  • 12.7k
13 votes
3 answers
41k views

How to delete all hidden .swp files from terminal

How can I delete all .swp files? I tried rm *.swp but I got rm: *.swp: No such file or directory rwxr-xr-x 16 teacher staff 544 Jan 17 13:19 . drwxr-xr-x 19 teacher staff 646 Jan 16 12:48 .....
shinokada's user avatar
  • 2,615
13 votes
3 answers
38k views

Connect to WiFi network using Mac Terminal

Every time I try to find out how to do this, I find out how to do it on a linux, and it doesn't transfer. How do I connect to a WiFi network using Mac Terminal Bash?
JShoe's user avatar
  • 1,392
13 votes
2 answers
22k views

Throttle CPU based on Temperature? - Ubuntu

I was running some programs on my Ubuntu machine that use max CPU power for extended periods of time. This causes the computer to overheat. Could someone suggest a good program that will throttle ...
nomaam's user avatar
  • 293
13 votes
3 answers
2k views

What does . .bashrc actually do?

When I enter a eg. a new alias into my .bashrc file I can't use it in that terminal window immediately and until recently I thought I had to restart the terminal to reload the .bashrc file. Then I ...
Spade's user avatar
  • 233
13 votes
2 answers
2k views

Making bash TAB completion more like cmd.exe [duplicate]

I wondered if theres a way to do rotational style completion in bash similar to the behavoir on cmd.exe, I've found it speeds me up in regard to entering commands
user avatar
13 votes
4 answers
3k views

Bash shell tab completion, don't expand the ~

I use the Tab key a lot when I use the shell (bash). But I'm getting annoyed that ~ always gets expanded to /home/"user". I don't think it's always been like this; is there any way to stop this ...
Johan's user avatar
  • 5,435
13 votes
8 answers
5k views

Save me from gibberish terminal

While logged in to a remote ssh session, sometimes I do cat to the wrong file (a binary or a diretory) and the display converts to gibberish. The only way out is to close the terminal and open a new ...
flybywire's user avatar
  • 4,060
13 votes
3 answers
11k views

Is it possible to put foreground process into background without suspending (control +z)?

I am running an application which receives TCP and UDP packets and therefore cannot be suspended. I intially ran 3 processes of the same application, with different arguments, in background mode using ...
rahul.deshmukhpatil's user avatar

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