Siege Lion on the Way (iii) Linux (30)---disc writing tool

First, the basic steps:

1. Use the MKISOFS command to build the data you want to back up into a mirrored file.

2. Use the Cdrecord command to burn the image file to a disc or DVD.

Second, mkisofs: New Image file

Mkisofs [-0 image file] [-RV] [-m file] files to be backed up ... [-V vol] Graft-point isodir=systemdir ...

Parameter description:

-O: Specify the image file later

-r: More information can be recorded by Rockridge generating file data that supports Unix/linux.

-V: Show build process

-M file:-m to exclude the meaning of the file

-V Vol: New volume.

-graft-point:graft has the meaning of passing or transplanting.

Example 1, mkisofs-r-v-o/tem/system.img/root/home;

In this way, all directory files are placed in the top-level directory of the image file, that is, the/root and/home directories do not exist in System.img, and the files in both directories are placed directly in the top-level directory of the image file.

Example 2, Mkisofs-r-V "linux_file"-o/tem/system.img-m/home/lost+found-graft-point/root=/root/home=/home;

In such a way, the files in/root and/home will exist in the corresponding folder respectively.

Third, Cdrecord: Disc burning tool

Cdrecord-scanbus Dev=ata; <== Query Burner (early way), I tried unsuccessfully.

Cdrecord-scanbus; <== this way instead of the above way. View the recorder coordinates.

Cdrecord-v Dev=x,y,z Blank=[fast|all]

Cdrecord-v Dev=x,y,z-format; <== only for DVD+RW format

Cdrecore-v dev=x,y,z [available parameters function] File.iso

Example:

Cdrecord-v dev=1,0,0 Fs=8m-data-sao driveropts=burnfree/tmp/system.img;

Iv. other common compression and backup tools:

1, DD:

DD if= "input file" of= "Output File" bs= "Block Size" count= "number";

BS if not specified, the default is 512 bytes.

Example:

DD IF=/ETC/PASSWD Of=/tmp/passwd.back;

DD If=/dev/hac of=/tmp/mbr.back bs=512 count=1;

2, Cpio: Can back up anything, including equipment files (temporarily do not understand)