Linux is an operating system which is usually available for free with the full source code , so that you can modify it to suite your needs .Due to this reason , these days there are more than 300 Linux distros . I Will make Linux comparisons for the most popular Linux distributions . Here I present you with the pros and cons of each Linux distribution.
ArchLinux :
ArchLinux enjoys , user customization to a large extent . ArchLinux is meant for customization . ArchLinux can have any desktop environment like gnome , kde or anything else like fluxbox, ratpoison etc . ArchLinux is available for free and supports X86 processors both 32 and 64 bit. ArchLinux , has a package manager named pacman , which has the default package .tar.gz . Pacman does not offer any graphical installation procedure. ArchLinux offers bydefault has no graphical interface and won’t work well on a Live CD/DVD. ArchLinux offers support for ext4 filesystem now.
Centos :
Centos is a highly stable Linux distributions aimed at workstations and servers . Centos , by default has gnome desktop environment . Processor architectures like x86 and IA-64 are supported ..rpm is the default package available for this Linux distro and package manager is named yum/up2date and RPM. Centos supports live cd environment . Centos is not meant for beginners .
Debian :
One of the most popular Linux distributions . Debian stands for stability and is used in servers , workstations and even for general use .Debian has a large number of followers , mainly the most popular distro Ubuntu Linux is based on unstable version of Debian .Debian supports a large number of desktop environments like kde , fluxbox ,gnome ,xfce etc . Desktop managers are usually based on the installation in case of Debian . Debian supports ext4 filesystem and other older stuff like ext3,ext2,jfs and much more.Debian supports almost all processor architectures .
Gentoo :
Highly customizable Linux distro not meant for beginners . It is for everyday use and updates are available almost every week . Gentoo Linux does not possess a default filesystem . Gentoo has one of the largest support for processor architectures , nearly supporting almost all processors . Default package manager in Gentoo Linux is known as portage and default package format is ebuild . Gentoo possess graphical installation facility also.
I will be extending this list with much more linux distros like fedora , ubuntu and much more .. feel free to post your comments .