Convert between Unicode Normalization Forms on the unix command-line
In Unicode, some character combinations have more than one representation.
command-line
Why is bash’s prompt variable called PS1?
The environment variable for the bash prompt is called PS1 (usually set in ~/.bashrc). What does PS1 stand for? Is there a PS2?
How to Execute multiple command using nohup
I need to execute multiple commands using nohup. Each command should be executed after the previous command.
How to use command line to change volume?
I am trying to control the volume using my programming script. How can I do the following in Fedora 15, Ubuntu linux?
What’s a good example of piping commands together?
If you were helping someone to learn the concept of pipes on the command line what example would you use? The example that actually came up was as follows:
If you ^Z from a process, it gets “stopped”. How do you switch back in?
I accidentally “stopped” my telnet process. Now I can neither “switch back” into it, nor can I kill it (it won’t respond to kill 92929, where 92929 is the processid.)
How to OCR a PDF file and get the text stored within the PDF?
First, apologies if this has been asked before – I searched for a while through the existing posts, but could not find support.
How do I create a blank PDF from the command line?
I recently needed a single blank PDF page (8.5″ x 11″ size) and realized that I didn’t know how to make one from the command line.
Get list of subdirectories which contain a file whose name contains a string
How can I get a list of the subdirectories which contain a file whose name matches a particular pattern?
Set volume from terminal
Is it possible to set the audio volume using the terminal instead of clicking the speaker icon in the top bar?