NAME

lock, unlock - lock and unlock files

SYNOPSIS

lock file [file...]
unlock file [file...]

DESCRIPTION

These commands may be used to change the "Locked" flag for files and folders.  This is the same "Locked" flag which is visible within the Finder's Get Info box.  When the "Locked" flag is set, files may not be modified, their names may not be changed, and they may not be deleted.

Note:  The "Locked" flags for folders may not be changed in some versions of the Mac OS.  In these versions an error message will be displayed.

RETURN CODES

<0	Error
0	Success