目录 1 文件管理 6 1.1 basename 6 1.2 cat 6 1.3 cd 7 1.4 chgrp 7 1.5 chmod 8 1.6 chown 9 1.7 comm 10 1.8 cp 10 1.9 cut 11 1.10 dd 12 1.11 diff 13 1.12 dir 14 1.13 dos2unix 16 1.14 egrep 17 1.15 fgrep 17 1.16 file 17 1.17 find 18 1.18 grep 2…