unix de büyük yada coklu dosyalarda ilk satırları silme

Delete first and (OR) last line on files(s)


aşağıdaki gibi verimiz olsun

K|ACTCTTT|TXEC|123|TEMPCOLUMN|COLUMN|
18494002|448|1208004|1
18493007|228|1208004|1
ASDFTT|234342

<><>BU komutla ilk ve son satrıları silebiliriz.

sed '$d' > file1.txt | sed "1d"

<><>bu komutlada coklu dosyalarda çalıştırabilirsiniz.ilk satırı siler.

  for f in  *.txt ;do sed '1d' $f > tmpfile; mv tmpfile $f;done

<><>Çoklu dosyalarda baştan iki satır silinecekse

 for f in  *.txt ;do sed '1,2d' $f > tmpfile; mv tmpfile $f;done

unix,aix,linux,sed,multiplefiles 

Unix/Linux Sistemlerde Fiziksel Memory'i ve swap alanını check etme

Following are the most requred OS commands while installing and configuring Oracle Software on Unix/Linux Operating Systems.

Operating System: AIX 5L Based Systems (64-Bit)
Physical RAM: # /usr/sbin/lsattr -E -l sys0 -a realmem
Swap Space: # /usr/sbin/lsps -a

Operating System: HP Tru64 UNIXPPhysical RAM: # /bin/vmstat -P grep "Total Physical Memory"
Swap Space: # /sbin/swapon -s

Operating System: HP-UX Itanium
Physical RAM: # /usr/contrib/bin/machinfo grep -i Memory
Swap Space: # /usr/sbin/swapinfo -a

Operating System: HP-UX PA-RISC (64-Bit)Physical RAM: # grep "Physical:" /var/adm/syslog/syslog.log
Swap Space: # /usr/sbin/swapinfo -a

Operating System: IBM zSeries Based Linux, LinuxItanium/POWER/x86/x86-64
Physical RAM: # grep MemTotal /proc/meminfo
Swap Space: # grep SwapTotal /proc/meminfo

Operating System: Solaris SPARC 64-Bit/x86/x86-64Physical RAM: # /usr/sbin/prtconf grep "Memory size"
Swap Space: # /usr/sbin/swap -s