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Shell Programming and Scripting
$0 scope in function and calling script
Post 45885 by oombera on Monday 5th of January 2004 11:39:44 AM
01-05-2004
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LEARN ABOUT BSD
uname
UNAME(1) General Commands Manual UNAME(1) NAME
uname - display information about the system SYNOPSIS
uname [-amnrsv] DESCRIPTION
The uname command writes the name of the operating system implementation to standard output. When options are specified, strings repre- senting one or more system characteristics are written to standard output. The options are as follows: -a Behave as though the options -m, -n, -r , -s, and -v were specified. -m Write the type of the current hardware platform to standard output. -n Write the name of the system to standard output. -r Write the current release level of the operating system to standard output. -s Write the name of the operating system implementation to standard output. -v Write the version level of this release of the operating system to standard output. If the -a flag is specified, or multiple flags are specified, all output is written on a single line, separated by spaces. The uname utility exits 0 on success, and >0 if an error occurs. SEE ALSO
sysctl(8), sysctl(3), uname(3) HISTORY
The uname command appeared in 4.4BSD. STANDARDS
The command is expected to conform to the IEEE Std1003.2 (``POSIX'') specification. 4th Berkeley Distribution February 4, 1995 UNAME(1)