Single quotes contained within a password


 
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Operating Systems HP-UX Single quotes contained within a password
# 1  
Old 02-23-2009
Single quotes contained within a password

Are single quotes allowed in a UNIX password? With my understanding that UNIX interprets single quotes in pairs and has a distinct meaning to the shell that it removes special meaning of all enclosed characters. I wanted to confirm that a single quote within a password would fail for this reason.
# 2  
Old 02-23-2009
Depends largely on the program, but most default UNIX programs that deal with passwords read these from the keyboard and have no problem with the special characters on an English 105-key keyboard. If it's read via the command line you might have to escape some characters, depending on the shell you're using.
# 3  
Old 02-23-2009
Thank you for the reply.
# 4  
Old 02-23-2009
passwd used to call getpass() which reads directly from /dev/tty, no shell involved.

The HPUX passwd manpage has:
Quote:
Characters must be from the 7-bit US-ASCII character set; letters
from the English alphabet.
# 5  
Old 02-23-2009
Jim,

I appreciate the information and will check out the passwd man page for further details.

Thanks.
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