Harvey Environment Variables

This is a list of environment variables currently used in Harvey. In Harvey, "everything is a file" is universal, so environment variables are also served by a file server which is mounted under /env. Currently, this server serves these files:

• /env/NPROC - number of processors on the machine
• /env/apid
• /env/auth - network address of auth server
• /env/boottime - date/time of last boot
• /env/cflag
• /env/cputype - Currently always "amd64"
• /env/facedom - default domain for faces (not currently used)
• /env/fileserver
• '/env/fn#sigexit'
• /env/fs - network address of file server
• /env/home - user's home directory
• /env/ifs
• /env/maxcores - limits the number of cores harvey can use (kernel parameter)
• /env/nobootprompt - type of boot e.g. tcp, local, etc set as a kernel parameter to skip console boot prompt
• /env/objtype - Currently always "amd64"
• /env/path - search path for executables
• /env/pgsz - set to 2097152 (2Mb)
• /env/pid
• /env/prompt - current prompt
• /env/rcname - path to rc shell
• /env/rootdir - root directory
• /env/service - type of server (e.g. "cpu")
• /env/site
• /env/status
• /env/sysname - if not set as a kernel parameter, it will be set in cs.c
• /env/terminal -
• /env/timezone - set by init.c to the contents of /adm/local/timezone
• /env/user - current user id