1.CHKDSK is the previous version of
2. Which command is used to remove the read permission of the file 'note' from both the group and others?
3.You can change a file`s read/write permission in DOS
attrib
xcopy
chmod
Diskcopy
4. Which of the following is an external DOS Command ?
5.Developer of Unix OS
6. Diskcopy is
- XCOPY
- DISKCOPY
- SCANDISK
- FORMAT
2. Which command is used to remove the read permission of the file 'note' from both the group and others?
- chmod go+r note
- chmod go+rw note
- chmod go-x note
- chmod go-r note
3.You can change a file`s read/write permission in DOS
attrib
xcopy
chmod
Diskcopy
4. Which of the following is an external DOS Command ?
- copy
- type
- dir
- Format
5.Developer of Unix OS
- Ken Thompson, Dennis Ritchie
- Ken Thompson, James Gosling
- Linus Torvald, Dennis Ritchie
- Jack Kilby , Robert Noyce
6. Diskcopy is
- External DOS Command
- Internal DOS Command
- Linux Command
- Unix Command
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