11-12-2008
Thanks my freind for your replay :
but let me sumrrize the following :
1- we use -exec to execute and shell command for the files theat matches the criteria of the find command .
2- we use ; after the -exec to mention that it's the end of this command and we guard it withe the \ in order to prevent the shell interpreter from terminiating the find command
by thinking it's the end of find command instead of the -exec.
3- we use '{}' to replase the file name which is passed as a pram.
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LEARN ABOUT X11R4
setpgrp
setpgrp(1) User Commands setpgrp(1)
NAME
setpgrp - set process group ID
SYNOPSIS
setpgrp command [arg...]
DESCRIPTION
If the current process is not already a session leader, the setpgrp utility sets the process group ID and session ID to the current process
ID and does an exec() of command and its argument(s), if any.
OPERANDS
The following operands are supported:
command The name of a command to be invoked.
arg An option or argument to command.
EXIT STATUS
The following exit values are returned:
1 Error executing the setpgrp utility or during exec() of command.
Otherwise, the exit status will be that of command.
ATTRIBUTES
See attributes(5) for descriptions of the following attributes:
+-----------------------------+-----------------------------+
| ATTRIBUTE TYPE | ATTRIBUTE VALUE |
+-----------------------------+-----------------------------+
|Availability |SUNWcsu |
+-----------------------------+-----------------------------+
SEE ALSO
exec(2), setpgrp(2), attributes(5)
SunOS 5.10 5 Jan 2000 setpgrp(1)