下述快捷键都是我写C++代码时发现的，是否适用其他格式（扩展名）的文件尚为未知。
Basic Editing
Ctrl + A 全选
Ctrl + S 保存
Ctrl + C 复制
Ctrl + V 粘贴
Ctrl + L 选中一行 (Select lines - Repeat to select next lines)
Ctrl + / （注释）/（取消注释）一行 (Comment/uncomment current selection)
Ctrl + Shift + / 添加C格式的注释（/**/） (Block comment current selection)
UPD
For more information, go to Sublime Text Docs
More Editing
Ctrl + X Cut line
Ctrl + KK Delete from cursor to end of line
Ctrl + K + Backspace Delete from cursor to start of line
Ctrl + Shift + V Paste and indent correctly (这个尤其有用)
Ctrl + D Select word - Repeat select other occurences
Ctrl + M Jump to closing parentheses Repeat to jump to opening parentheses
Ctrl + Shift + M Select all contents of the current parentheses
Ctrl + Shift + K Delete line (注意它和 Ctrl + X 的区别)
Ctrl + Shift + ↑ (Up) Move line/selection up
Ctrl + shift + ↓ (Down) Move line/selection down
Ctrl + Shift + D Duplicate line(s)
Ctrl + J Join line below to the end of current line
Ctrl + ] (或者Tab) Indents current line(s)
Ctrl + [ (或者Shift + Tab) Un-indent current line
Alt + Shift + Up Column selection up (column selection 是Sublime Text的特色功能)
Alt + Shift + Down Column selection down
General
Ctrl + Shift + P Command prompt
Ctrl + KB Toggle side bar (这个尤其有用, 从前一直不知道如何关掉side bar)
Ctrl + Shift + Alt + P Show scope in status bar (这个NB, 与syntax highlight有关)
Navigation/Goto Anywhere
Ctrl + P Quick-open files by name
Ctrl + R Goto symbol
Ctrl + ; Goto word in current file
Ctrl + G Goto line in current file