LinuxQuestions.org - [SOLVED] what does the "T" mean when you list file permissions w/ ls -l

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what does the "T" mean when you list file permissions w/ ls -l

I have a directory w/ a file that I created using:

Code:

fd = open("file", O_CREAT);

The file turned out to be executable. When I did a 'ls -l' on the directory w'/ that file it has a "T" at the end of the permissions where the executable bit would be set for the "other" group.

It's the sticky bit.

Quote:

Originally Posted by doughyi8u (Post 5354641)

I have a directory w/ a file that I created using:

Code:

fd = open("file", O_CREAT);

The file turned out to be executable. When I did a 'ls -l' on the directory w'/ that file it has a "T" at the end of the permissions where the executable bit would be set for the "other" group.

You have a bug in your code.

If you use "O_CREAT" flag to open, you must provide the mode flags to use for that file. Since you left it off you caused a stack overflow and the mode flags used were bogus.