Assignment 2 clarifications

[Moti Geva]

Hi all,

1. 2> and 2>> may be used despite the usage of > or |, as they are aimed at a different file descriptor.

2. If you wonder whether some sequence is good or not use the shell to check is, e.g. if you want to see whether:

# ./a.out ls "2>" errfile "<" infile ">" outfile

is legitimate then execute the following in the shell and see what happens:

# ls 2> errfile < infile > outfile

Just FYI, it is legitimate.

Best,
Moti