Installed program executable runs from wrong location
I installed parcellite in Ubuntu (downloaded from http://parcellite.sourceforge.net/)
bash
Bash: History expansion inside single quotes after a double quote inside the same line
I took a closer look on this phenomenon after I stumbled over it in two other questions today. I’ve tried all of this with the default set -H (history expansion on).
Ubuntu shell does not show the current path
In my Ubuntu 12.04, the prompt always show the following only (no matter what path I’m in):
Bash script needed to run every second
I have a few cleanup commands to run for my datacaching scheme. I was thinking a bash script would be an easy way to check if the full clean up job needed to be run. But the cache is very time sensitive, so the check script needs to run every second. What’s the best way to do this?
How to copy files from the folder without the folder itself
I’m trying to copy files and subfolders from A folder without the A itself. For instance, A folder contains next:
What is the difference between kill , pkill and killall?
I am familiar with kill command , and most of the time we just use kill -9 to kill a process forcefully, there are many other signals that can be used with kill. But I wonder what are the use cases of pkill and killall, if there is already a kill command.
Difference between “cd -” and “cd ~-“
The Bash command
BASH – customizing PS1 to run a command
I wanted to modify my PS1 to run some commands every time. Let’s say I want it so that if the last executed command was successful, it would add a green smile at the end of PS1, otherwise the smile should be red.
I extracted it to a function:
Bash: What does “>|” do?
I have just seen this written down;
Control which process gets cancelled by Ctrl+C
I have a live CD that boots into Linux and runs a small Bash script. The script searches for and runs a second program (which is usually a compiled C++ binary).