dj.1: fixes ambiguity and false information
This commit is contained in:
		
							parent
							
								
									789046f694
								
							
						
					
					
						commit
						e9496cb4a5
					
				
							
								
								
									
										15
									
								
								docs/dj.1
									
									
									
									
									
								
							
							
						
						
									
										15
									
								
								docs/dj.1
									
									
									
									
									
								
							@ -181,22 +181,22 @@ option is specified, this could make written data nonsensical.
 | 
				
			|||||||
 | 
					
 | 
				
			||||||
Existing files are not truncated on ouput and are instead overwritten.
 | 
					Existing files are not truncated on ouput and are instead overwritten.
 | 
				
			||||||
 | 
					
 | 
				
			||||||
Option variants that have uppercase and lowercase forms could be confused for
 | 
					Option variants that have lowercase and uppercase forms could be confused for
 | 
				
			||||||
each other. The former affects input and the latter affects output.
 | 
					each other. The former affects input and the latter affects output.
 | 
				
			||||||
 | 
					
 | 
				
			||||||
The
 | 
					The
 | 
				
			||||||
.B -B
 | 
					.B -B
 | 
				
			||||||
option could be mistaken for write size, meaning the count in bytes of data
 | 
					option could be mistaken for write size, meaning the count in bytes of data
 | 
				
			||||||
placed in the output. This conception is intuitive but incorrect; the amount of
 | 
					placed in the output. This conception is intuitive but incorrect, as the
 | 
				
			||||||
data read and output is controlled by the
 | 
					 | 
				
			||||||
.B -c
 | 
					.B -c
 | 
				
			||||||
and
 | 
					option controls the number of blocks to read and the
 | 
				
			||||||
.B -b
 | 
					.B -b
 | 
				
			||||||
options. The latter sets the size of blocks to be read and the former sets the
 | 
					option sets the size of the blocks. The
 | 
				
			||||||
number of blocks to be read. The
 | 
					 | 
				
			||||||
.B -B
 | 
					.B -B
 | 
				
			||||||
option is similar to the latter but sets the size of blocks to be written,
 | 
					option is similar to the latter but sets the size of blocks to be written,
 | 
				
			||||||
regardless of the amount of data that will actually be written.
 | 
					regardless of the amount of data that will actually be written. In practice,
 | 
				
			||||||
 | 
					this means the input buffer should be very large to make use of modern hardware
 | 
				
			||||||
 | 
					input and output speeds.
 | 
				
			||||||
 | 
					
 | 
				
			||||||
The skipped or sought bytes while processing irregular files, such as streams,
 | 
					The skipped or sought bytes while processing irregular files, such as streams,
 | 
				
			||||||
are reported in the diagnostic output, because they were actually read or
 | 
					are reported in the diagnostic output, because they were actually read or
 | 
				
			||||||
@ -223,3 +223,4 @@ Copyright \(co 2023 DTB. License AGPLv3+: GNU AGPL version 3 or later
 | 
				
			|||||||
.SH SEE ALSO
 | 
					.SH SEE ALSO
 | 
				
			||||||
.BR dd (1p)
 | 
					.BR dd (1p)
 | 
				
			||||||
.BR lseek (3p)
 | 
					.BR lseek (3p)
 | 
				
			||||||
 | 
					.BR mm (1)
 | 
				
			||||||
 | 
				
			|||||||
		Loading…
	
	
			
			x
			
			
		
	
		Reference in New Issue
	
	Block a user