(标*号的可选掌握,其他为必须掌握)
一、File management
ls - list file
touch - create a null file/modify file timestamp
cp/mv/rm/ln - copy/rename/move/delete file, create link
chmod/*chown/*chgrp - change file permission/owner/group
find - search file by name, size, permission, etc.
file - display file type, text, binary, etc.
cp/scp/*rcp - copy/remote copy/secure copy
mkdir/rmdir &nbs