sync command in Linux with Examples (original) (raw)

Last Updated : 18 Jan, 2022

sync command in Linux is used to synchronize cached writes to persistent storage. If one or more files are specified, sync only them, or their containing file systems.

Syntax:

sync [OPTION] [FILE]...

Note: Nothing is being shown in the screenshots just because sync command makes the cache in the background.

Example: It will be going to sync all cached file data that belongs to the current user.

Options:

• sync -d: This option sync only file data, no unneeded metadata.
  Example:

sync -d /home/algoscale/Desktop/aricleslist.txt /home/algoscale/Desktop/advance.html

• sync -f: This option will sync the file systems which contains the files.
  Example:

sync -f /home/algoscale/Desktop/aricleslist.txt

• sync --help: This option display the help text and exit.

sync --help

• sync --version: This option will output version information and exit.

sync --version