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| Backup and Restore(备份和恢复)Shell |
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| Backup and Restore(备份和恢复)Shell |
| 下载类型： |
免费软件 |
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| 运行环境： | |
| 软件大小： | 4.7K |
| 推荐等级： |  |
| 下载次数： | 363 |
| 发 布 人： | sdccf |
| 发布日期： | 2004年06月10日 11时03分48秒 |
| 软件主页： | 没有 |
| 非VIP会员下载价格(详情请QQ上咨询7644599)： | (人民币)0元
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| 下载权限： |
     1 U币 |
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| 软件简介： |
These are two shell scripts for backing up and restoring files to/from magnetic tapes, or file archives. They extend the functionality of the Unix tar program to selective restoring.
Usage examples
Simple backup of the /usr directory tree to /dev/rmt/0 (the magnetic tape on the SUN)
Backup:
cd /
fpbackup -m /dev/rmt/0 /usr
Restoring the complete directory tree:
cd /
fprestore -m /dev/rmt/0
Restoring all include-files:
cd /
fprestore -m /dev/rmt/0 "include/*.h"
Restoring the program 'vi' without overwriting the original:
cd /tmp
fprestore -m /dev/rmt/0 vi
This restored 'vi' to /tmp/usr/bin/vi
Backup of a user's home directory to a file
Backup:
cd /u/frank
fpbackup -m /tmp/backup .
Restoring all C files
cd /u/frank
fprestore -m /tmp/backup "*.c"
Reincarnating the user's home elsewhere
mkdir /user/frank
cd /user/frank
fprestore -m /tmp/backup
Incremental backup of the /usr directory tree. We assume that we have previously backed up the directory as in 1. and then copied the timestamp file to /usr/timestamp. We again use the SUN tape device.
Backup:
cd /
fpbackup -i /usr/timestamp -m /dev/rmt/0 /usr
Restoring the complete tree
cd /
fprestore -m /dev/rmt/0
Advanced usage: Backing up a directory, using the compressor 'gzip' to compress the archive before writing it to the tape.
Backup:
cd /u/frank
fpbackup -m - . | gzip -9 | dd of=/dev/rmt/0
Completely restoring the archive
cd /u/frank
dd if=/dev/rmt/0 | gunzip | fprestore -m -
Selectively restoring the file fpbackup from this archive. We know that this file is located in the subdirectory '1995'.
cd /u/frank
dd if=/dev/rmt/0 | gunzip | fprestore -m - ./1995/fpbackup
Selectively restoring all C files. This is not directly possible, we must first uncompress the archive to disk.
cd /u/frank
dd if=/def/rmt/0 | gunzip > /tmp/backup
fprestore -m /tmp/backup "*.c"
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