Linux 常用快捷键
Posted by dengwei
Console/terminal
-
-
- shuts down computer
-
(
,
,
,…) - switch to n-th console
-
or
-
- switch to next/previous virtual terminal
-
- clears command line from cursor position to end of line.

-
- clears command line from cursor position to beginning of line.
-
- will paste in anything that was deleted by
-
or
-
-
- clears word to the left
-
- moves cursor to beginning of command line.
- command-line autocompletion. Automatically completes current command line.

If autocompletion script is enabled, then also options and applications parameters are autocompleted.
- locks terminal input/output - allows to read console contents when output is going too fast. To unlock, press Scroll Lock once again.
Alternatively, Scroll Lock can be enabled using
-
and disabled with
-
. Try last shortcut if your console hangs for unknown reason - it happened to me many times that I’ve locked it accidentaly by pressing CTRL-S.
-
and
-
- scrolls console buffer up/down. Works also when
is enabled. After changing the terminal (
-
) buffer contents is erased and it is impossible to scroll it.
-
- screen refresh
-
or
-
- kills current task
Kernel shortcuts
Following shortcuts must be enabled in kernel, they also must be enabled using proc interface (echo 1 > /proc/sys/kernel/sysrq).
-
-
- sync all mounted filesystem. Data in buffers is immediately written to disks.
-
-
- remounts mounted filesystems read-only
-
-
- performs immediate reboot. Don’t do it without syncing and unmounting as it can cause massive filesystem corruption
-
-
, then
-
-
, then
-
-
- attempts to sync all mounted filesystems, remounts them read-only and immediately reboots computer. Fastest way to reboot Linux.
X-Windows shortcuts
-
-
or
-
-
-
changes screen resolution (higher/lower). Only if X-Windows server is configured for multiple resolutions.
-
-
- kill X-server. Running applications will be terminated.
-
-
- xkill - click an application to kill it.
-
-
(
,
,
,…) - switches to n-th text console.
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