A shell is software that lets users interact with the operating system, usually by typing at a command-line.

learn more… | top users | synonyms

1
vote
3answers
2k views

On Unix, open xls file, and read the content, only the data

Does any one know how to open xls file in shell on UNIX? whether is there any tools to convert XLS to CSV?
7
votes
7answers
650 views

Remove linux file named with set of shell responsive characters

I've created a file named \;:$"\' to test a software of mine. I ended up with an error, because I cannot delete the file property. I'm trying to find a precise character combination to remove it via ...
4
votes
2answers
2k views

How to launch the Windows Explorer shell after starting with a different one?

The following is a hack, but for what I need it for its fine. I created a C# program that shows some EULA text and has an Agree and Disagree button. I set the ...
1
vote
1answer
15 views

Custom Windows shell hosted on the network

We have a custom kiosk-style executable that we are using as a shell on Windows 8.1 machines. We'd like to host it on the network so that it's easy to update as desired. The problem we have is that ...
4
votes
2answers
4k views

How to add commands of windows to local shell of XShell 4

XShell is a very powerful tools to ssh remote computers such as Unix/Linux. And it has built some internal commands for you to run within your Windows. Xshell:\> help Internal Commands: new: ...
0
votes
0answers
19 views

How to pass the command to the other server using ssh

#!/bin/bash ENV=stg NODE=node4 KEYFILE=************ USERNAME=ubuntu PORT=22 HOST=********** CASSANDRA_HOME=/ebs/var/lib/cassandra KEYSPACE=*** TABLE1=RegisterUser TABLE2=EmailSyncMetadata ...
0
votes
1answer
22 views

Is it possible to delete directory when in the directory in shell

I have a directory which I run a program in. /usr/bin/my-dir I need to run the program from within the directory So I must go cd /usr/bin/my-dir ./my-program I have a script that from a ...
0
votes
1answer
43 views

Mac OS X seems to be unable to find directory that certainly exists

For some reason Mac OS X cannot find a directory I just made. Any idea why? sh-3.2# mkdir /Users/Administrator/Documents/drive/ sh-3.2# mount -w -t "hfs+" /dev/disk1s2 ...
0
votes
3answers
42 views

How do you write to a file within the command line?

Specifically mac, but for future reference for those that come across this post, this could be on any OS. So am learning the command line, and one utility (perhaps the only one) which seems to be ...
0
votes
1answer
21 views

How to enable special characters in moc?

I am using moc (what is moc) on Mac OS X 10.9 in zsh shell. I want to enable special German characters like ä, ü, ö and ß for it. How can I enable such characters?
13
votes
3answers
4k views

How to set terminal size in Android adb shell?

When I connect to Android using "adb shell" and run certain commands such as "vim" or "mc", they are restricted to a "window" of 25x80 characters. Since I'm connecting from a desktop computer where ...
1
vote
3answers
44 views

How To Quickly Switch Paths (in Bash)

Sometimes, usually when installing packages with brew, I want to disable/remove certain parts of my path, and then later restore them. I haven't been able to find an easy way to do this, and while I ...
1
vote
2answers
23 views

Launch interactive shell command as an emacs buffer

I'd like to run a shell command that asks a few interactive questions before proceeding, from within Emacs. The functionality I'm looking for is like xterm -e <command>, only with an Emacs ...
4
votes
6answers
396 views

Is it possible to delete an MP3 file currently played in mplayer?

I would like to remove an MP3 file that is currently being played back in mplayer. If possible I would like to do it with an mplayer command. So that I don't have to quit mplayer and delete this file ...
1
vote
5answers
1k views

Shell Script that touches multiple other machines over ssh?

I have a list of linux machines, about 90 or so. These are saved in a file as Host,USR,PW. Is there a way I can read this list and then connect to each host and execute commands X, Y, Z In the past ...
1
vote
1answer
27 views

What is the best policy for running GUI programs from CLI to silence non-error messages?

When, on Linux, running graphical programs (such as Sublime Text for example) from the Terminal, the program runs fine but logs on the console messages that are not exactly failures, nor useful log ...
8
votes
3answers
1k 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 ...
2
votes
1answer
13 views

My host offers SFTP only, not SSH. Can I still use private key authentication? i.e., does SFTP use SSH implicitly?

I'm using WP Engine as my host. They are a managed host and they never offer shell access. However, they do allow setup of SFTP accounts. My (limited) understanding is that SFTP still uses an SSH ...
1
vote
2answers
622 views

split command on Ubuntu command-line

I want to split a file into multiple files with at most 25 lines each. I'm using this: split -l 25 /etc/adduser.conf > /home/ubuntu/PL/trab3/rc_ But I do not get the files I expect. How can I ...
14
votes
4answers
29k views

How can I use a bash like shell on windows

I use Linux and a Mac. I'll be teaching some command line stuff soon. What can I install on Windows to give me a terminal window most similar to a basic mac/linux bash shell. Would like to be able to ...
0
votes
1answer
25 views

How to disable (and re-enable) notifications on GNOME Shell version 3.8.4 from the command line?

I am running Centos 7 with GNOME-Shell 3.8.4. I can happily disable all notifications from the top-right menu, as pictured: I need to do that from the command line, though, because I need to ...
63
votes
7answers
56k views

What to do when Ctrl + C can't kill a process?

Ctrl + C doesn't always work to kill the current process (for instance, if that process is busy in certain network operations). In that case, you just see "^C" by your cursor and can't do much else. ...
11
votes
4answers
1k views

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*
0
votes
0answers
11 views

Bash history deduplication causing dangerous multi-shell behaviour

I am using the following code in my .bash_profile to filter and de-duplicate my bash history: shopt -s histappend HISTSIZE=100000 HISTFILESIZE=100000 HISTCONTROL=ignoredups:erasedups ...
2
votes
1answer
11 views

How can I safely remove timeout from a script?

I started a script with timeout --signal 2 --kill-after 10 14400 and now decided that it should rather run as long as it must, so I need to remove that timeout from the running script. top -p ...
0
votes
1answer
27 views

How to stop tail -f except using kill

I want to write a shell script to detect if my program starts up successfully. There is a log file created by the program. When the log file contains a new line: Server startup in, then stop the bash ...
0
votes
2answers
35 views

How to copy file using awk based on time creation to some directory

I trying to copy a file to directory using awk filter based on time creation file #!/bin/bash dir=/home/resaputra23/pyexample/python2/* des=/home/resaputra23/pyexample/backup/ file1= stat $dir | awk ...
1
vote
1answer
21 views

How to call environment variables in runas command for right click context menu

I am having trouble with using environmental variables with using runas when using the command in the registry for a right click context menu command. I have tried different methods of escaping the ...
24
votes
2answers
11k views

scp between two remote hosts from my local

I have two remote hostes. host1-> 10.3.0.1 host2-> 10.3.0.2 Both are installed with ssh and scp. In my scanario, ssh and scp listen to port 22 in host1 and in host2 it is port 6969. Now, using my ...
2
votes
2answers
504 views

How do I use GNU split's “filter” option with GNU parallel?

I am trying to split a number of huge gz file into N-line compressed gzipped chunks. To demonstrate, let us consider the following: seq 100 | gzip > big_file0.gz I can split this into multiple ...
11
votes
4answers
1k views

bash: colorized man page

Where do I have to take a look at in the system to colorize the man pages? The man pages are viewed with less, so I tried adding the following lines to my .bashrc to change the colors: (Which works ...
0
votes
1answer
666 views

sqlmap os-shell help needed

I run this command to upload php shell: ./sqlmap.py -u http://target.com/myfile.php?id=1 --os-shell And it succeeded: The shell uploaded the file successfully and it's working. But my question is ...
3
votes
3answers
382 views

Xterm control sequence to get RGB value for ANSI color

The meat In (some) terminals you can use a sequence like this; printf "\e]4;3;rgb:cc/78/33\e\\" to set the third color in the ANSI color palette to the RGB values represented by #CC7833. Can you ...
0
votes
2answers
30 views

Redirect stderr to second terminal / tty

I've tried things like rse to differentiate standard-output and standard-error streams from a program; but I'd really like the option of viewing the two in separate terminals, without redirecting to a ...
5
votes
6answers
7k views

Is it possible to gunzip multiple files to a specific directory without deleting the original gz files?

I know this can be done for single files, e.g. gunzip -c my.gz > somedir/my Can it be done for multiple files? [UPDATE] I have a directory with a large number of .gz files (not .tar.gz), and I ...
4
votes
5answers
11k views

Running scripts from another directory

Quite often, the script I want to execute is not located in my current working directory and I don't really want to leave it. Is it a good practice to run scripts (BASH, Perl etc.) from another ...
0
votes
0answers
13 views

Mac OS X: Shell command for Accessibility -> Sound -> Play stereo as mono? [duplicate]

The question is in the title. I need a quick way to turn the feature on and off every now and then. Is there a bash command for it?
3
votes
3answers
35 views

No path, or command history through SSH when logged in to server as someone other than root

When I SSH into a server, as anything other than root, it only shows a $ and not the path. It also won't allow me to press the up key and see the command history when I don't SSH in as root. How do I ...
2
votes
1answer
13 views

Wrapping `time` (and similar keywords) in call from another script

I have a Bash script (let's call it clock) which should work as a wrapper similar to the time keyword in Bash, e.g. clock ls should do something and then run ls. Here is an example of this script: ...
7
votes
4answers
339 views

Running `exec` with a Bash built-in

I defined a shell function (let's call it clock), which I want to use as a wrapper to another command, similar to the time function, e.g. clock ls -R. My shell function performs some tasks and then ...
1
vote
8answers
7k views

How can I move files from Windows to Linux using WinSCP?

I have putty and winscp, but winscp doesn't work in this case because I need to use a command cd ../public in order to enter the directory as I can't find it for some reason. How would I use putty ...
2
votes
1answer
15 views

How to save user made zsh shell functions and aliases

Shell beginner here! I'd like to create aliases and functions in zsh shell to speed up my workflow. For example: tw() { open -a //Applications/Textwrangler.app "$*"; } The function itself works, ...
9
votes
4answers
8k views

Run a GUI app on remote computer from SSH

I want to run a GUI application on my Ubuntu computer, but it should started by a shell script on my Debian server trought SSH. Is this possible?
0
votes
1answer
76 views

Use date to update date

I am trying to follow along to the exercises in Beginning the Linux Command Line. One of the exercises asks to set the current time to 1 minute ago. While I can get the time one minute ahead: echo ...
0
votes
2answers
41 views

How to echo string of another string shell variable

We would like to echo the value of a shell variable which has another variable string in its variable name. eg: we want the following output var1=1 var2=2 We tried several various forms similar to ...
41
votes
4answers
81k views

If I know the PID number of a process, how can I get its name?

If I have the PID number for a process (on a UNIX machine), how can I find out the name of its associated process? What do I have to do?
80
votes
11answers
52k views

How to reliably keep an SSH tunnel open?

I use an SSH tunnel from work to go around various idotic firewalls (it's ok with my boss :)). The problem is, after a while the ssh connection usually hangs, and the tunnel is broken. If I could at ...
29
votes
4answers
13k views

How to: Unlimited Bash/shell history?

Is there a way to define an unlimited history in Bash ?
0
votes
0answers
16 views

shell script to change bootloader background

I'm trying to create a shell script on openSUSE to change the bootloader background from the files /etc/default/grub line: GRUB_BACKGROUND=/boot/grub2/themes/openSUSE/background.png with the new ...
2
votes
2answers
33 views

How can I find what a Windows PC thinks its name is, given its IP?

How can I find out what a remote Windows PC thinks its host name is, given its IP? From Windows cmd.exe or a Linux shell. I'm not interested what a DNS server thinks the host name is for an IP, just ...