The open UNIX operating systems FreeBSD and Linux Mandrake both have integrated shell security systems. The FreeBSD program is located in /etc/security. The Mandrake Security Package for Linux can be found in /usr/share/msec. These standard tools are similar in functionality, but they limit the file system integrity control to files with SUID and SGID flags. But Mandrake calculates MD5 file checksums differently from FreeBSD.more...
The standard Perl distribution comes with a debugger, although it's really just another Perl program, perl5db.pl. Since it is just a program, I can use it as the basis for writing my own debuggers to suit my needs, or I can use the interface perl5db.pl provides to configure its actions. That's just the beginning, though. read more...
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