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grep commands

 
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# 1  
Old 02-02-2011
grep commands
I need your's help to display user with greep command form /etc/passwd

1. to display all login to begin and finishing with letter a or b
Code:
etc.users
 admina
 bserb
 broota

2. beginning and finishing with the same sign
Code:
etc. users
aghata:....
roootr:....

3. to contain what the least three identical signs standing by me
Code:
etc. users
 rooot:.....
admmmin:.....
ussser...

4. it including five signs which was can read backwards
Code:
etc. users
      Do geese see God?  ->  do Geese see goD
      Devil lived   -> devil liveD


sorry bad section
Code:
https://www.unix.com/homework-coursework-questions/

Last edited by ViruS89; 02-02-2011 at 03:21 PM..
# 2  
Old 02-02-2011
Do not post classroom or homework problems in the main forums. Homework and coursework questions can only be posted in this forum under special homework rules.
Last edited by Scott; 02-02-2011 at 03:24 PM..
 
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