Category Archives: Linux

Linux Tutorials and commands

Run Levels and Startup Scripts

In Linux there are 6 run levels, basically being the following: Init Level Description 0 This level is reserved for the shutdown phase. 1 Single-user mode (equivalent to Windows “safe mode”) 2 Multi-user setup without NFS (Network Filing System) 3 Full multi-user with networking, starting all required services 4 Typically unused but could be set… Read More »

A Few Linux Commands

a alias Create’s alias’s apt-get Package Manager for distro’s such as Ubuntu or debian based aspell Spell Checking tool arp Address Resolution Protocol, used to translate ip’s to hardware interface addresses awk Find and Replace text, database sort/validate/index b bash Bourne-Again SHell bc Arbitrary precision calculator language bg Launch in background break Quit a loop… Read More »