-rw | ro

CacheFS, NFS, PCFS, UFS, S5FS 

Specifies read/write or read-only. If you do not specify this option, the default is read/write. 

-nosuid

HSFS, NFS, UFS 

Disallows setuid execution and prevents devices on the file system from being opened. The default is to allow setuid execution and allow devices to be opened.

-remount

NFS, UFS, S5FS 

With rw, remounts a file system with read/write access.

-f

UFS, S5FS 

Fakes an entry in /etc/mnttab, but doesn't really mount any file systems.

-n

UFS, S5FS 

Mounts the file system without making an entry in /etc/mnttab.

-bg | fg

NFS 

If the first attempt fails, retries in the background (bg) or in the foreground (fg). The default is fg.

-soft | hard

NFS 

Specifies the procedure if the server does not respond. soft indicates that an error is returned. hard indicates that the retry request is continued until the server responds. The default is hard.

-intr | nointr

NFS 

Specifies whether keyboard interrupts are allowed to kill a process hung while waiting for a response on hard-mounted file systems. The default is intr (interrupts allowed).

-retry=n

NFS 

Retries the mount operation when it fails. n is the number of times to retry.