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UNIX for Dummies Questions & Answers
how to tell which OS via command line
Post 302117653 by hankooknara on Tuesday 15th of May 2007 09:55:59 PM
05-15-2007
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9 More Discussions You Might Find Interesting
1. Shell Programming and Scripting
Hello friends,
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2. Shell Programming and Scripting
Hi everyone,
when executing this command in unix:
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here is content of my script:
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3. Shell Programming and Scripting
I have been trying this a lot of different ways and haven't found too much online. Here's what I've got so far:
j=0
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4. Shell Programming and Scripting
my requirement is,
consider a file output
cat output
blah sdjfhjkd jsdfhjksdh
sdfs 23423 sdfsdf sdf"sdfsdf"sdfsdf"""""dsf
hellow there
this doesnt look good
et cetc etc
etcetera
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5. Shell Programming and Scripting
here is what i want to achieve.. i have a file with below contents
cat fileName
blah blah blah
.
.DROP this
REJECT that
.
--sport 7800 -j REJECT --reject-with icmp-port-unreachable
--dport 7800 -j REJECT --reject-with icmp-port-unreachable
.
.
.
more blah blah blah
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6. UNIX for Dummies Questions & Answers
Hi all,
How can i display the middle line of a file using a single line command? (6 Replies)
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Sed command to replace a line in a file using line number from the output of a pipe.
Is it possible to replace a whole line piped from someother command into a file at paritcular line...
here is some basic execution flow..
the line number is 412
lineNo=412
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8. Shell Programming and Scripting
I am looking for help in processing of those options: '-n' or '-p'
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9. Shell Programming and Scripting
Hi,
I have some 2000 names in a table like below.
Java
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LEARN ABOUT DEBIAN
linux64
SETARCH(8) System Administration SETARCH(8) NAME
setarch - change reported architecture in new program environment and set personality flags SYNOPSIS
setarch arch [options] [program [arguments]] arch [options] [program [arguments]] DESCRIPTION
setarch This utility currently only affects the output of uname -m. For example, on an AMD64 system, running 'setarch i386 program' will cause 'program' to see i686 (or other relevant arch) instead of x86_64 as machine type. It also allows to set various personality options. The default program is /bin/sh. OPTIONS
-v, --verbose Be verbose. -h, --help Display help (it is also displayed when setarch takes no arguments). --uname-2.6 Causes the program to see a kernel version number beginning with 2.6. -3, --3gb Specifies that processes should use a maximum of 3GB of address space on systems where it is supported (ADDR_LIMIT_3GB). -B, --32bit Turns on ADDR_LIMIT_32BIT. -F, --fdpic-funcptrs Userspace function pointers point to descriptors (turns on FDPIC_FUNCPTRS). -I, --short-inode Turns on SHORT_INODE. -L, --addr-compat-layout Changes the way virtual memory is allocated (turns on the ADDR_COMPAT_LAYOUT). -R, --addr-no-randomize Disables randomization of the virtual address space (turns on ADDR_NO_RANDOMIZE). -S, --whole-seconds Turns on WHOLE_SECONDS. -T, --sticky-timeouts Turns on STICKY_TIMEOUTS. -X --read-implies-exec Turns on READ_IMPLIES_EXEC. -Z, mmap-page-zero Turns on MMAP_PAGE_ZERO. EXAMPLES
setarch ppc32 rpmbuild --target=ppc --rebuild foo.src.rpm setarch ppc32 -v -vL3 rpmbuild --target=ppc --rebuild bar.src.rpm setarch ppc32 --32bit rpmbuild --target=ppc --rebuild foo.src.rpm AUTHOR
Elliot Lee <sopwith@redhat.com> Jindrich Novy <jnovy@redhat.com> AVAILABILITY
The setarch command is part of the util-linux package and is available from ftp://ftp.kernel.org/pub/linux/utils/util-linux/. util-linux June 2007 SETARCH(8)