NachOS_Usage.md

NachOS Usage

• ./nachos [-d debugFlags]: Causes certain debugging messages to be printed, where legal debugFlags are
  • +: turn on all debug messages
  • t: threads
  • s: locks, semaphores, condition vars
  • i: interrupt emulation
  • m: machine emulation (USER_PROGRAM)
  • d: disk emulation (FILESYS)
  • f: file system (FILESYS)
  • a: address spaces (USER_PROGRAM)
  • n: network emulation (NETWORK)
    • Example usage: ./nachos -d +: will turn on all debug messages
• ./nachos [-e] filename: Execute user program in filename
  • Example usage: ./nachos -e file1 -e file2: executing file1 and file2.
• ./nachos [-h]: Prints help message
• ./nachos [-m int]: Sets this machine's host id in int (needed for the network)
  • Example usage: ./nachos -m 1: Sets this machine's host id to 1
• ./nachos [-n float]: Sets the network reliability in float
  • Example usage: ./nachos -n 1: Sets the network reliability to 1
• ./nachos [-rs randomSeed]: Sets random seed in randomSeed
  • Example usage: ./nachos -rs 123: Sets random seed to 123
• ./nachos [-s]: Print machine status during the machine is on. (debugUserProg = TRUE in userprog/userkernel.cc )
• ./nachos [-u]: Prints entire set of legal flags
• ./nachos [-z]: Prints copyright string