#1... not sure what you mean (there definitely are no .exe's )
try
you'll get a listing like
/etc/auto_home: English text
/etc/auto_master: ascii text
/etc/autopush: ELF 32-bit MSB executable SPARC Version 1, statically linked, stripped
/etc/bootptab: ascii text
/etc/cfgadm: ELF 32-bit MSB executable SPARC Version 1, dynamically linked, stripped
/etc/chroot: ELF 32-bit MSB executable SPARC Version 1, dynamically linked, stripped
is that what your looking for?
#2. uptime
#3. Pascal? ...yikes

....dunno