buffer: invalid option -- '-' Usage: buffer [-B] [-t] [-S size] [-m memsize] [-b blocks] [-p percent] [-s blocksize] [-u pause] [-i infile] [-o outfile] [-z size] [-Z] [-d] -B = blocked device - pad out last block -t = show total amount written at end -S size = show amount written every size bytes -m size = size of shared mem chunk to grab -b num = number of blocks in queue -p percent = don't start writing until percent blocks filled -s size = size of a block -u usecs = microseconds to sleep after each write -i infile = file to read from -o outfile = file to write to -z size = combined -S/-s flag -Z = seek to beginning of output after each 1GB (for some tape drives) -d = print debug information to stderr

buffer: invalid option -- '-' Usage: buffer [-B] [-t] [-S size] [-m memsize] [-b blocks] [-p percent] [-s blocksize] [-u pause] [-i infile] [-o outfile] [-z size] [-Z] [-d] -B = blocked device - pad out last block -t = show total amount written at end -S size = show amount written every size bytes -m size = size of shared mem chunk to grab -b num = number of blocks in queue -p percent = don't start writing until percent blocks filled -s size = size of a block -u usecs = microseconds to sleep after each write -i infile = file to read from -o outfile = file to write to -z size = combined -S/-s flag -Z = seek to beginning of output after each 1GB (for some tape drives) -d = print debug information to stderr