Miscellaneous - Useful UNIX

Find/Zip/Move/Delete files older than x days

Delete the 500 oldest files

Find and grep

list all files opened by a process

ls -l sorted by size

cpio unzip syntax

man commands

pipes

Turn off auto indent and bracket matching in vi

Capture a control charater

Configure ksh environment

Show routing tables

Check all logs for ORA- errors

Find/Zip/Move/Delete files older than x days

find ./ -name "*.ARC" -mtime +1 -exec ls -l {} \;

find ./ -name "*.ARC" -mtime +1 -exec rm {} \;

find ./ -name "*.ARC" -mtime +1 -exec gzip {} \;

find ./ -name "*.arch" -mtime +1 -exec mv {} /u01/andy/;

Delete the 500 oldest files

rm -f `ls -tr|head -500`

Find and grep

find ./ -grep <what> {} \; -print 2>/dev/null

Or...

find ./ -exec grep -l "string" {} \;

list all files opened by a process

lsof -p <pid>

ls -l sorted by size

ls -l |sort -k 5

du -sk *|sort -n

cpio unzip syntax

cpio -idmv < <filename>

man commands

man -k <what> -displays the chapters containing the specified
man <chapter> <what> -shows the page

pipes

mknod <name> p

Turn off auto indent and bracket matching in vi

:set noai nosm

Capture a control charater

ctl-v then press the control key (eg. backspace)

Configure ksh environment

To display the current settings

set -o

To set HP/UX stylee...

set -o vi
set -o vi-esccomplete

Show routing tables

netstat -r

Check all logs for ORA- errors

grep ^ORA- *log |cut -f2 -d"-"|cut -f1 -d:|awk '{print "ORA-" $1}'|sort -u