Unix general

packages.list

# Install zsh
sudo apt-get install zsh
chsh -s $(which zsh)

# Install oh-my-zsh
sh -c "$(wget https://raw.github.com/robbyrussell/oh-my-zsh/master/tools/install.sh -O -)"

# Using curl
# sh -c "$(curl -fsSL https://raw.github.com/robbyrussell/oh-my-zsh/master/tools/install.sh)"

# Useful plugins
# plugins=(git npm node sudo z)

Unix directory structure

├── bin		      binaries with fundamental utilities like cp, ls etc
├── boot        all files required for succesfull booting process
├── dev         = "devices" and contains a  file representation of all devices
├── etc         system-wide configuration files
  ├── init      contains upstart scripts
├── home        home directories users
├── lib         shared libraries for programs in /bin
├── lib64       see above, for 64 architecture
├── lost+found  lost and potentially corrupt files
├── media       mount points removable devices
├── mnt         = "mount", empty temporary directory for mounting devices
├── opt         contains locally installed software
├── proc        virtual filesystem showing information about processes as files
├── root        home directory superuser "root"
├── run         system information data describing system since boot
├── sbin        essential system libraries like fsck, init, route
├── srv         contains data served by system
├── sys         information related to hardware and system
├── tmp         place for temporary files, deleted at reboot
├── usr         executables, libraries etc. that are not system critical
└── var         = "variable", for files that change often
  ├── log       system log files