BIND remounts a subtree somewhere else.

DIRSYNC will force all directory updates within the file system to be done synchronously.

MANDLOCK will force mandatory locks on a filesystem.

NOATIME will not update the file access time when reading from a file.

NODEV will not interpret character or block special devices on the file system.

NODIRATIME will not update the directory access time.

NOEXEC will not allow execution of any binaries on the mounted file system.

NOSUID will not allow set-user-identifier or set-group-identifier bits to take effect.

PRIVATE creates a mount which carries no propagation abilities.

RBIND remounts a subtree and all possible submounts somewhere else.

RDONLY will mount the file system read-only.

RELATIME updates inode access times relative to modify or change time.

REMOUNT will attempt to remount an already-mounted file system.

RPRIVATE marks the entire mount tree as PRIVATE.

RSHARED marks the entire mount tree as SHARED.

RSLAVE marks the entire mount tree as SLAVE.

RUNBINDABLE marks the entire mount tree as UNBINDABLE.

SHARED creates a mount which provides the ability to create mirrors of that mount such that mounts and unmounts within any of the mirrors propagate to the other mirrors.

SLAVE creates a mount which receives propagation from its master, but not vice versa.

STRICTATIME allows to explicitly request full atime updates.

SYNCHRONOUS will allow I/O to the file system to be done synchronously.

UNBINDABLE creates a mount which cannot be cloned through a bind operation.