HP-UX

tested

• to redirect Standard Error to a file use '2>' instead of usuall '>' (p. 115)

VI commands

• 'I' - insert at ther begginig of the line
• '3,404w file.txt' write lines 3 to 404 to file.txt
• ':m n' move current line to after line n
• ':t n' copy current line to after line n

to test yet

• cut
• tee - sends output of pipe to additional place (file as well as stout f.e.)