UNIX Commands(rcp,awk,paste,egrep)

1>rcp -r mqprod/* gemsdevp01:/mon01/app/oracle/admin/mqprod/.
2>rcp gems28:/u23/oradata/r201dev1/gl_ifh03.dbf /u07/oradata/glintst/.


3>awk '{print $2}' file_name
--->for getting the 2nd field from the file

4>cat file_name |cut -d "/" -f4 >new_file
--->it cuts the file as per the delimiter /

5>paste -d "\0" file1 file2 >file3
--->pastes the two files without the any gap between them.

6>egrep '\.log|\.dbf' file_name
--->for getting the lines containing the specified format.

7>egrep '\.log|\.dbf' file_name |cut f2 -d "'"
--->cut the specified lines as per the delimiter ' from the given file

chmod g+w file_name (or) dir_name --->to chang the any file permission to the group or any other
permission --- r,w,x
users owner,group,others
+ for giving the permission
- for removing the permission

10>sort according to the required field number
sort +3n -t:
Where 3 is field number in the file_name.

sort -t/ +4 ----------to sort the file contents from $th field onwards.

11)paste -d " " file1 file2 ---- to map the two files.
paste -d"\0" rcp_mqtp_mqtt.sh test
NLS_LANG=AMERICAN_AMERICA.UTF8

12)cat source* |cut -d"/" -f7

13)date +%j-%y

14)cat cold_db.sh |awk -F/ '{print $2"/.snapshot/ivrp/"$3"/"$4"/"$5}'

15) du -sk ---> to find the total space occupied by internal directories & files in a directory.

16) set disk_usage = `df -k . | tail -1 | cut -f8 -d" " | cut -b1,2`

df -kl|tr -s ' '|cut -f6 -d ' '