UUID confusion revisited

Nils Kassube kassube at gmx.net
Tue Mar 25 08:49:49 UTC 2008

SYNass IT Ubuntu / Linux wrote:
> a1) I assume $HOME/bin means /home/bin !?

No, "$HOME" is the shell variable which points to your home directory. As 
I don't know which your login is, I used this variable. If your login 
is "svobi", the shell would expand "$HOME/bin" to "/home/svobi/bin".

> a2) I do not have such a location ! ;-(

If the directory doesn't exist, make it with a GUI file manager or in a 
terminal with the command "mkdir $HOME/bin".

> b1) Created my script (UUIDcomp) in /usr/local/bin
> b2) After chmod +w /usr/local/bin/UUIDcomp I am getting:
> sna at WS222:~$ sh UUIDcomp
> sh: Can't open UUIDcomp
> sna at WS222:~$ UUIDcomp
> bash: /usr/local/bin/UUIDcomp: Permission denied
> sna at WS222:~$
> What and where could have gone wrong ...
> ... or where did I make my mistake/s ??

Sorry, that was my mistake, not yours (I think I need some coffee). The 
chmod command really should have been this:

sudo chmod +x /usr/local/bin/UUIDcomp

With the +w option you made it writeable but the +x option makes it 


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