Unix doubts

aswathy · #1 (**permalink**) 03-05-2008

Hello All,

I am very new to UNIX. Please help me to find answers of below questions.

1.A script is saved with name ls. When we execute the script what it will execute?
a) Will execute ls command
b) Will execute the script
c) Will execute script or command depends on the path

2. “chmod u+t mydir” command will:
a) Add stickybit to file mydir
b) Add sticky bit to dir mydir
c) Add universal bit to file mydir
d) Add universal bit to dir mydir

3. Which is the control key to initiate SIGINT signal to current process
a) ctrl-c
b) ctrl-d
c) ctrl-s
d) ctrl-k

4. Which is invalid:
a) while [0]
b) while [$? –eq 0)
c) while [$count –le 0.1]
d) none of the above

5. One file is created with fields’ city, state and country. What is the command to sort it with respect to state?

6. What is the difference between compress and pack?
Regards
Aswathy

Yogesh Sawant · #2 (**permalink**) 03-05-2008

read the rules before posting.

(6) Do not post classroom or homework problems.

justinwyllie · #3 (**permalink**) 03-07-2008

or at least disguise them

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