06-03-2010
1)
./script.ksh runs the (if any) script.ksh in the current directory
sh script.ksh runs the first script.ksh in your PATH using sh (which, for example on Linux would be Bash, on AIX ksh and on Solaris is sh), ignoring the "shebang" line in your script
script.ksh would run the first script.ksh in your PATH using either your default shell (as specified in /etc/passwd, or elsewhere) or whatever you specified in the "shebang"
The interpreter used has nothing to do with the .ksh extension of your filename script.ksh.
2) Yes and yes
Last edited by Scott; 06-03-2010 at 04:50 PM..
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times(1) User Commands times(1)
NAME
times - shell built-in function to report time usages of the current shell
SYNOPSIS
sh
times
ksh
times
DESCRIPTION
sh
Print the accumulated user and system times for processes run from the shell.
ksh
Print the accumulated user and system times for the shell and for processes run from the shell.
On this man page, ksh(1) commands that are preceded by one or two * (asterisks) are treated specially in the following ways:
1. Variable assignment lists preceding the command remain in effect when the command completes.
2. I/O redirections are processed after variable assignments.
3. Errors cause a script that contains them to abort.
4. Words, following a command preceded by ** that are in the format of a variable assignment, are expanded with the same rules as a vari-
able assignment. This means that tilde substitution is performed after the = sign and word splitting and file name generation are not
performed.
ATTRIBUTES
See attributes(5) for descriptions of the following attributes:
+-----------------------------+-----------------------------+
| ATTRIBUTE TYPE | ATTRIBUTE VALUE |
+-----------------------------+-----------------------------+
|Availability |SUNWcsu |
+-----------------------------+-----------------------------+
SEE ALSO
ksh(1), sh(1), time(1), attributes(5)
SunOS 5.10 15 Apr 1994 times(1)