6. Which command is used to list all the files with extension .lst?
A. ls -l *.lst
B. ls lst*
C. ls *.*
D. ls *[lst]
E. None of the above
7. Which option is used with the chmod command recursively to all files and sub-directories in a directory?
A. -1
B. -i
C. -x
D. -R
E. None of the above
8. Which command is used to change directory to the name beginning with a ‘p’?
A. cd p
B. cd p?
C. cd p*
D. cd [p]
E. None of the above
9. Which of the following is invalid filename?
A. shutry
B. TRY
C. trial
D. my .file
E. None of the above
10. Which commands is used to assign executable permission to all of the files named “letter”?
A. chmod ugo+r letter
B. chmod ugo+rw letter
C. chmod u+x letter
D. chmod ugo+x letter
E. None of the above
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