May 22, 2025 · Single UNIX Specification- “The Standard” The Single UNIX Specification is the standard in which the core interfaces of a UNIX OS are measured. The UNIX standard includes a rich feature …

Sep 10, 2011 · When you try to execute a program in unix (one with the executable bit set), the operating system will look at the first few bytes of the file. These form the so-called "magic number", …

Oct 12, 2009 · I'd like to know the difference (with examples if possible) between CR LF (Windows), LF (Unix) and CR (Macintosh) line break types.

Nov 23, 2009 · Since every Unix does things a little differently -- Solaris, Mac OS X, IRIX, BSD, and Linux all have their quirks -- POSIX is especially useful to those in the industry as it defines a …

Very few systems have a dedicated sh, instead making it a link to other another shell. Ideally, such a shell invoked as sh would only support those features in the POSIX standard, but by default let some …

Feb 13, 2012 · Learn how to convert DOS/Windows line endings to Linux line endings using Vim with step-by-step instructions and examples.

I know that using ls -l "directory/directory/filename" tells me the permissions of a file. How do I do the same on a directory? I could obviously use ls -l on the directory higher in the hierarchy...

Sep 1, 2011 · There are a few ways to create a calendar with tools provided with Autosys. The commands to launch the tools are autocal (which is a graphical editor) and autocal_asc (which is a …

Jul 20, 2012 · Use the command sudo netstat -plten |grep java used grep java as tomcat uses java as their processes. It will show the list of processes with port number and process id tcp6 0 0 :::8080 :::* …

Oct 30, 2008 · A Unix tick is 1 second (if I remember well), and a .NET tick is 100 nanoseconds. If you've been encountering problems with nanoseconds, you might want to try using AddTick …