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.TH zbackup 1
.SH NAME
zbackup \- versatile deduplicating backup tool
.SH SYNOPSIS
.B zbackup init [--non-encrypted] [--password-file
.I ~/.my_backup_password
.B ]
.I /my/backup/repo
.B zbackup [--password-file
.I ~/.my_backup_password
.B ] [--threads
.I number_of_threads
.B ] backup
.I /my/backup/repo/backups/backup-`date '+%Y-%m-%d'`
.B zbackup [--password-file
.I ~/.my_backup_password
.B [--cache-size
.I cache_size_in_mb
.B restore
.I /my/backup/repo/backups/backup-`date '+%Y-%m-%d'`
.B >
.I /my/precious/backup-restored.tar
.SH DESCRIPTION
.B zbackup init
initializes a backup repository for the backup files to be stored.
.B zbackup backup
backups a tar file generated by
.BR tar (1)
.I c
to the repository initialized using
.B zbackup init
.
.B zbackup restore
restores the backup file to a tar file.
.SH OPTIONS
.RE
.IP --non-encrypted
Do not encrypt the backup repository.
.RE
.IP "--password-file ~/.my_backup_password"
Use the password file specified at
.I ~/.my_backup_password
to encrypt the repository and backup file, or to decrypt the backup file.
.RE
.IP "--threads number_of_threads"
Limit the partial LZMA compression to
.I number_of_threads
needed. Recommended for 32-bit architectures.
.RE
.IP "--cache-size cache_size_in_mb"
Use the cache size provided by
.I cache_size_in_mb
to speed up the restoration process.
.SH FILES
.RE
.I ~/.my_backup_password
Used to encrypt the repository and backup file, or to decrypt the backup file. See
.BR zbackup (5)
for further details.
.RE
.I /my/backup/repo
The directory used to hold the backup repository.
.RE
.I /my/precious/restored-tar
The tar used for restoring the backup.
.RE
.I /my/backup/repo/backups/backup-`date '+%Y-%m-%d'`
Specifies the backup file.
.SH AUTHOR
Howard Chan <smartboyhw at gmail dot com>
.SH "SEE ALSO"
.BR tar (1)
.BR zbackup (5)
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