Linux Glossary

abbr.	stand for	notes
tty	teletype	远程打字机 - term->tap, tap->term
pty	pseudo-tty
pts	pseudo-terminal slave
ttys	serial terminal lines
pwd	Pathname of the current Working Directory
cwd	Current Working Directory

• EFI
• UEFI
• SMM - System Management Mode
  • highly privileged processor execution mode
  • firmware provide service in SMM as SMI handler

abbr.	stand for	note
xdg	X Development Group	old name for freedesktop.org