alternative terms for free software american national standards institute apache license application programming interface bbn bsd daemon bsd licenses bell labs berkeley software design berkeley sockets bert halstead bill joy binary blob blackbox bob fabry c shell common unix printing system compaq comparison of bsd operating systems comparison of x window system desktop environments comparison of open source and closed source comparison of open source operating systems compatibility layer compiler computer systems research group computer architecture computer network computer science copyright darpa dec alpha decstation demos delivermail dennis ritchie desktopbsd digital equipment corporation digital rights management dragonfly bsd ede embedded system emulation executable file descriptor floss manuals fluxbox freebsd freesbie free software foundation free software foundation europe free software foundation latin america free and open source software free software free software community free software licence free software movement gnome gnu gnu compiler collection gnu general public license gnu lesser general public license gnu project gambling groklaw hp-ux hewlett-packard history of linux history of mozilla application suite history of mozilla firefox history of mozilla thunderbird history of free software history of the internet irix icewm information sciences institute injunction institute of electrical and electronics engineers intellectual property international organization for standardization internet protocol john lasseter juniper networks kde keith bostic license proliferation line editor linus torvalds linux linux foundation linux kernel list of bsd operating systems list of open source software packages litestep low level virtual machine lynxos minix mit license mac os x marshall kirk mckusick microkernel microsoft windows miros bsd monolithic kernel motorola mozilla mozilla foundation mozilla public license next netbsd nvi openbsd opensolaris openstep openvms open software foundation open source initiative open source open source license open source software open source software development open source software security openbox operating system pc-bsd php posix perl porting proprietary software qnx rox desktop reactos research unix revolution os sco-linux controversies sco openserver sparc streams sendmail sixth edition unix software developer software license software patents and free software source code soviet union sunos sun microsystems symmetric multiprocessing tcl the free software definition tivoization trademark trusted computing ucb unix system v usenix ultrix university unix unix-like unix system laboratories vax vlsi project vi virtual memory visual editor vxworks website william jolitz window maker xnu x window system xfce