Bash internals

• for cycle
• while & until cycles
• arrays – indexed and associative
• calculations

Commandline tools, related examples and scripts, cheat-sheets

• find files/directories
• cat and tac – more than just for concatenating files
• mencoder – movie encoding and editing tool
• awk text parsing
• top process monitoring
• sed stream editor
• pdfunite and pdftk for manipulating pdf files
• convert – image conversion / resizing
• apt-cache, apt-get, apt-file, dpkg, rpm, yum eg. package management
• VCS cheat-sheet – Veritas Cluster Server
• vastool cheat-sheet – Quest authentication system’s utility
• vi cheat-sheet – vi/vim commands, examples, macros etc.
• Sudo abuse vectors – things to consider when granting sudo privileges
• Linux audit