Awk 원하는 컬럼만 출력

·        기본 출력

[root@zetawiki~]# df -h

Filesystem            Size  Used Avail Use% Mounted on

/dev/sda2              18G  2.9G  14G  18% /

tmpfs                 242M   88K 242M   1% /dev/shm

/dev/sda1             291M   33M  244M  12% /boot

·        1열와 5열만 출력 (스페이스로 구분)

[root@zetawiki~]# df -h | awk '{print $1, $5}'

FilesystemUse%

/dev/sda2 18%

tmpfs 1%

/dev/sda1 12%

·        1열과 5열만 출력 (탭으로 구분)

[root@zetawiki~]# df -h | awk '{print $1"t"$5}'

Filesystem    Use%

/dev/sda2     18%

tmpfs  1%

/dev/sda1     12%