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Top Forums Shell Programming and Scripting finding greatest value in a column using awk from iostat output in linux Post 302399998 by devtakh on Tuesday 2nd of March 2010 04:36:04 AM
Old 03-02-2010
Code:
iostat -dt -kx 2 2 | awk ' !/sd[a-z][0-9]/ &&!/%util/ && !/Time/ && !/Linux/ {if(max < $12)max=$12}END{print max}'

or
Code:
iostat -dt -kx 2 2 | awk ' !/sd[a-z][0-9]/ &&!/%util/ && !/Time/ && !/Linux/ {print $12}' | sort | tail -1

cheers,
Devaraj Takhellambam
 

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chsh - change your login shell SYNOPSIS
chsh [-s shell] [-l] [-u] [-v] [username] DESCRIPTION
chsh is used to change your login shell. If a shell is not given on the command line, chsh prompts for one. chsh is used to change local entries only. Use ypchsh, lchsh or any other implementation for non-local entries. OPTIONS
-s, --shell shell Specify your login shell. -l, --list-shells Print the list of shells listed in /etc/shells and exit. -u, --help Print a usage message and exit. -v, --version Print version information and exit. VALID SHELLS
chsh will accept the full pathname of any executable file on the system. However, it will issue a warning if the shell is not listed in the /etc/shells file. On the other hand, it can also be configured such that it will only accept shells listed in this file, unless you are root. EXIT STATUS
Returns 0 if operation was successful, 1 if operation failed or command syntax was not valid. SEE ALSO
login(1), passwd(5), shells(5) AUTHOR
Salvatore Valente <svalente@mit.edu> AVAILABILITY
The chsh command is part of the util-linux package and is available from ftp://ftp.kernel.org/pub/linux/utils/util-linux/. util-linux July 2009 CHSH(1)
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