Facebook keyboard shortcut keys - check here

    j , k — Scroll between News Feed stories
    p — Post a new status
    l — Like or unlike the selected story
    c — Comment on the selected story
    s — Share the selected story
    o — Open attachment of the selected story
    enter — See More of the selected story
    / — Search
    q — Search chat contacts
    ? — Show this help dialog

    Shift + Alt + 0 — Help
    Shift + Alt + 1 — Home
    Shift + Alt + 2 — Timeline
    Shift + Alt + 3 — Friends
    Shift + Alt + 4 — Inbox
    Shift + Alt + 5 — Notifications
    Shift + Alt + 6 — Settings
    Shift + Alt + 7 — Activity Log
    Shift + Alt + 8 — About
    Shift + Alt + 9 — Terms
    Shift + Alt + m — New Message