The /etc/exports file controls which file systems are exported to remote hosts and specifies options. Blank lines are ignored, comments can be made by starting a line with the hash mark (#), and long lines can be wrapped with a backslash (\).

Many times while going through some perl code, you must have come across snippets like “select((select(fh), $|=1)[0])” and wondered what this means, even though you might know that: * $|=1 is used for setting autoflush (i.e. unbuffered data output) and that * select is used to set the default output to a given file handle instead of STDOUT

The "check_mysql_count.pl" plugin can be used to count lines in a MySQL database. It can be used to count either the total number of lines, or the number of lines that meet a certain criterion.

The Linux utility nl is an easy tool to use to number lines in scripts or flexible enough to create headers, body and footers in your documents.

msort is a tool for sorting text files. With both a command-line and graphical interface, it allows you to pick out where your sort keys are in a file and lets you select how to order those keys in a number of ways.

Way back in April 2008, the Linux Foundation published a little report that upended a lot of perceptions about Linux development. Now, they've done it again. The report in question — Linux Kernel Development: How Fast it is Going, Who is Doing It, What They are Doing, and Who is Sponsoring It? — revealed a number of things about the Linux kernel.

Phoronix recently published an article regarding a ~200 lines Linux Kernel patch that improves responsiveness under system strain. Well, Lennart Poettering, a RedHat developer replied to Linus Torvalds on a maling list with an alternative to this patch that does the same thing yet all you have to do is run 2 commands and paste 4 lines in your ~/.bashrc file.

Gloobus Preview is a beautiful file preview application for Linux. Select a file and click space bar to have a quick preview of the file, as simple as that.

2.6.29 is made up of 11,010,647 lines of code, with the number of developers who contributed to it reaching a record high of 1,166. Unlike the lines of code that make up the kernel, the number of developers has not been constantly climbing.