tlmgr backup
all
Manage backups of TeX Live packages. The default backup directory is specified by the `backupdir` option, and can be obtained with `tlmgr option`.
More info →Examples (5)
Make a backup of one or more packages
tlmgr backup package1 package2 ...Make a backup of all packages
tlmgr backup --allMake a backup to a custom directory
tlmgr backup package --backupdir path/to/backup_directoryRemove a backup of one or more packages
tlmgr backup clean package1 package2 ...Remove all backups
tlmgr backup clean --allmade by @shridhargupta | data from tldr-pages