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Showing posts from October, 2017

Directories On Linux Systems

Directories On Linux Systems / : The root directory. Where everything begins. /bin : Contains binaries (programs) that must be present for the system to boot and run. /boot : Contains the Linux kernel, initial RAM disk image (for drivers needed at boot time), and the boot loader. Interesting files: * /boot/grub/grub.conf or menu.lst, which are used to configure the boot loader. * /boot/vmlinuz (or something similar), the Linux kernel /dev : This is a special directory which contains device nodes. “Everything is a file” also applies to devices. Here is where the kernel maintains a list of all the devices it understands. /etc : The /etc directory contains all of the system-wide configuration files. It also contains a collection of shell scripts which start each of the system services at boot time. Everything in this directory should be readable text. Interesting files: While everything in /etc is interesting, here are some all-time favorites: * /etc/cron

HTML Cheat Sheet

HTML Hypertext Markup Language Global Attributes**   ( class | contenteditable | contextmenu | dir | draggable | id | irrelevant | lang | ref | registrationmark | tabindex | template | title ) Tag Info HTML Version Attributes <!-- --> Comment 4 / 5 None <!DOCTYPE> Document Type 4 / 5 None <a> Hyperlink 4 / 5 (href | hreflang | media |  ping | rel | target | type) <abbr> Abbreviation 4 / 5 Global Attributes** <acronym> Acronym 4 - <address> Address Ele ment 4 / 5 Global Attributes** <applet> Applet 4 - <area> Area Inside An I mage Map 4 / 5 (alt | coords | href  |  hreflang | media | ping |  rel | shape | target |  type) <article> Article 5 Global Attributes** <aside> Outside The M ain Flow of T he Narrative 5 Global Attributes** <audio> Sound Content 5 (autobuffer | autoplay |  controls

Definition of C

C  is a high-level and general-purpose  programming  language that is ideal for developing firmware or portable applications. Originally intended for writing system software,  C  was developed at Bell Labs by Dennis Ritchie for the Unix Operating System in the early 1970s.