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1> ʹÓÃCDPATHÉèÖà cd ÃüÁîµÄ¹¤×÷Ŀ¼
[ramesh@dev-db ~]# pwd
/home/ramesh
[ramesh@dev-db ~]# cd mail
-bash: cd: mail: No such file or directory
[×¢Ò⣺ÔÚµ±Ç°Ä¿Â¼ÏÂѰÕÒMAILĿ¼]
[ramesh@dev-db ~]# export CDPATH=/etc
[ramesh@dev-db ~]# cd mail /etc/mail
[×¢Ò⣺ÕâÊÇÔÚ/etcÏÂѰÕÒMAILĿ¼]
[ramesh@dev-db /etc/mail]# pwd
/etc/mail
ÏëÒªÕâ¸öÉèÖÃÓÀ¾ÃÉúЧ, °Ñexport CDPATH=/etc Ìí¼Óµ½ÄãµÄ.bash_profileÖС£
2> ʹÓÃcd ±ðÃû(alias)À´¸üÓÐЧµÄ·µ»ØÉϲãĿ¼
# mkdir -p /tmp/very/long/directory/structure/that/is/too/deep
# cd /tmp/very/long/directory/structure/that/is/too/deep
# pwd /tmp/very/long/directory/structure/that/is/too/deep
# cd ../../../../
Ìí¼ÓÈçÏÂ
alias cd1="cd .."
alias cd2="cd ../.."
alias cd3="cd ../../.."
alias cd4="cd ../../../.."
alias cd5="cd ../../../../.."
µ½ÄãµÄ.bash_profileÖк󣬾ͿÉÒÔÈçÏ»ص½Éϲã/ÉÏÉϲã/ÉÏÉÏÉϲãĿ¼ÁË :)
# cd /tmp/very/long/directory/structure/that/is/too/deep
# cd4
# pwd
/tmp/very/long/directory/structure/
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# fdisk /dev/sdb
Command (m for help): n
Command action
e extended
p primary partition (1-4)
p
Partition number (1-4): 1
First cylinder (1-13054, default 1):
Using default value 1
Last cylinder o ......