I Need Some (help)answers Asap


 
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# 1  
Old 06-11-2005
I Need Some (help)answers Asap

can someone explain the meaning of the following shell commands:

1. who / wc -l
2. who / sort > user_names
3. cat students > new_students
4. current_day='date / cut -cl-3'

i would also appreciated if you could tell me some things about the umask
1. what is a good umask value and why?
2. how you can make a script executable?

thank u in advance!
dakis kalou!
# 2  
Old 06-11-2005
This looks a lot like homework, which is not allowed here.
# 3  
Old 06-11-2005
Please make sure that you have read our rules. And note:
(6) Do not post classroom or homework problems.
 
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