#Linux

Linux is a multi user multitasking graphical operating system it is first developed by 'Linus Benedict Torvalds' in the year 1991.

it is similar to Unix(OS) but it can not be called Unix because Unix is registered with AT&T(American Telephone and Telegraph Company)whereas Linux is distributed free as free software license called GNU(GNU is not Unix) GPL (General Public License).

Linux O.S.

Ubantu, Redhat, Kaali, Debian ,Mint, Fedora etc.

Linux Applications

• In LibreOffice
• In Firefox
• In Visual Studio
• In VLC Media Player
• In Audacity
• In Thunderbird
• In Servers etc

  

Linux CUI based commands

• cd

      for changing directory

• mkdir

      for making directory

• ls

      displaying the list of dir and subdir.

• cp

      for copying .

• mv

      for moving directory

Linux directories

Linux treats everything as directory

• /bin--------binary details
• /dev-------device details
• /etc-------system configuration
• /lib--------library files
• /tmp------temporary files
• /usr-------user details
• /mnt------mounting drives
• /kernel-----core part

Note

• You must type all Linux command in lower case letters.
• Linux is an OSOS (Open Source Operating System)
• Linux support .EXT file format
• Less chances of Virus attack in Linux