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Diffstat (limited to 'linux')
| -rw-r--r-- | linux/linux-commands.md | 68 |
1 files changed, 0 insertions, 68 deletions
diff --git a/linux/linux-commands.md b/linux/linux-commands.md deleted file mode 100644 index 5c18f3b..0000000 --- a/linux/linux-commands.md +++ /dev/null @@ -1,68 +0,0 @@ -#### Job Control -* List jobs, job_id is the numerical value of the job - `$ jobs` -* suspend job into background, similar to pause so that one can can do something else -`<Ctrl-Z>` -* Can resume it's running in the background by: - `$ bg <job_id>` -* Bring it back to foreground by inserting: - `$ fg` -* Or in case of multiple jobs: - `$ fg %<job_id>` -* To suspend the process running in the background, use: - `$ kill -STOP %job_id` -- - - - -#### Copying/Moving/Renaming Files/Directories -- Shorter syntax to copy/move from/to current file path (current working directory) `$(pwd)` -NOTE: `.` can also be used but is limited - `$ cp -r $(pwd)/path-to/file ~/new/path/` - `$ mv -r ~/another/directory/file .` -- - - - -#### Copying/Pasting Text -- Copy text/output of a command into a file (useful if in putty/non graphical terminal emulator) - `$ <command> 2>&1 | tee -a output.txt` - or - `$ echo "text" 2>&1 | tee -a output.txt` # print text without executing a command -- - - - -#### Recall the Previous Command -- Use `!!` to express the last command - For example if a command needs root permissions: - ```bash - $ touch /opt/file.txt - touch: cannot touch '/opt/file.txt': Permission denied - $ sudo !! - sudo touch /opt/file.txt - [sudo] password for user: - $ ls -l /opt/myFile.txt - -rw-r--r-- 1 root root 0 Dec 21 16:20 /opt/file.txt - ``` - - `!!:n` where n is the 0-based position of the argument you want. -The ! prefix is used to access previous commands. - -- Other useful commands: - - `!$` - last argument from previous command - `!^` - first argument (after the program/built-in/script) from previous command - `!*` - all arguments from previous command - `!!` - previous command (often pronounced "bang bang") - `!n` - command number n from history - `!pattern` - most recent command matching pattern - `!!:s/find/replace` - last command, substitute find with replace -- - - - -#### Getting information about a window - - To get id, size, position, state, class, etc... - `$ xwininfo` - or - `$ xdotool getwindowfocus getwindowgeometry` # just get size/position -- - - - -#### Listing all users on system - ``` bash - $ cat /etc/passwd - ``` - |