Related Questions

Filename extensions help identify certain files. What filename extension identifies command files?
A COM
B BAT
C EXE
D SYS
E None of the above
Which command is used to list out all the hidden files along with the other files?
A ls -l
B ls -x
C ls -F
D ls -a
E None of the above
Which command is used to display all the lines with the string 'sales' from the file empl.lst?
A cut sales empl.lst
B /sales > empl.lst
C grep sales empl.lst
D cat | /sales > empl.lst
E None of the above
Which of the following commands is used to save the output of the who command in a file named user.lst, as well as display it?
A who | tee user.lst
B who > user.lst
C who >> user.lst
D who
E None of the above
While working with MS-DOS which command is used to copy all files with extension .txt into one file named all.txt?
A Copy a: *.txt
B Copy *.txt a:
C Copy *.txt c:
D Copy *.txt all.txt
Which command is used to delete all files in the current directory as well as all files and sub-directories in its subdirectories?
A rm *
B rm -r *
C rm all
D rm *.*
E None of the above
Which command is used to copy all files from drive A with extension .TXT to the currently logged drive and directory?
A COPY a: *.TXT
B COPY *.TXT A:
C COPY *.TXT C:
D COPY *.TXT ALL.TXT
E None of the above
Which command is used to display all the files having the (.exe) extension but different filename?
A Dir filename.*
B Dir filename.ext
C Dir *.sys
D Dir *.exe
Which command is used to delete all the files extension .txt on the current drive and directory?
A Del .txt
B Erase .txt
C Del *.txt
D Del *.*/p
While working with which command is used to copy all files from the currently logged drive and directory with the extension .txt to the drive a
A Copy a. *.txt
B Copy *.txt a:
C Copy *.txt c:
D Copy *.txt all.txt

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