3 cp, fcp, mv \- copy, move files
39 is any name except an existing directory.
40 In the second form the commands
41 copy or move one or more
45 under their original file names, as if by a sequence of
46 commands in the first form.
50 .LR "cp f1 dir/f1; cp f2 dir/f2" .
53 copies the contents of plain
59 are preserved if it already
65 option sets the mode and modified time of
70 sets the group id; and
72 sets the group id and user id (which is usually only possible if the file server is in an administrative mode).
77 but transfers multiple blocks in parallel while copying;
78 it is noticeably faster than
80 when the files involved are stored on servers connected over long-distance lines.
81 It is only appropriate to use
83 with file servers that respect the
90 This includes the disk-based file systems and ramfs
91 but excludes most device file systems.
98 If the files are in the same directory,
110 will rename directories,
111 but it refuses to move a directory into another directory.
115 .B /sys/src/cmd/fcp.c
130 refuse to copy or move files onto themselves.