Update cheatsheets

tldr/dbeaver

@@ -8,11 +8,11 @@ source: https://github.com/tldr-pages/tldr.git
 > A GUI SQL client supporting many databases.
 > More information: <https://dbeaver.com/docs/dbeaver/Command-Line/>.
 
-- Open `DBeaver`:
+- Open DBeaver:
 
 `dbeaver`
 
-- Open `DBeaver` connecting to a specific database:
+- Open DBeaver connecting to a specific database:
 
 `dbeaver {{[-con|--connect]}} {{database}}`
 
@@ -24,11 +24,11 @@ source: https://github.com/tldr-pages/tldr.git
 
 `dbeaver --quit`
 
-- Close all tabs within dbeaver:
+- Close all tabs within DBeaver:
 
 `dbeaver --closeTabs`
 
-- Bring `DBeaver` to the top of applications:
+- Bring DBeaver to the top of applications:
 
 `dbeaver --bringToFront`
 

tldr/g++

@@ -15,7 +15,7 @@ source: https://github.com/tldr-pages/tldr.git
 
 - Activate output of all errors and warnings:
 
-`g++ {{path/to/source.cpp}} -Wall {{[-o|--output]}} {{output_executable}}`
+`g++ {{path/to/source.cpp}} -Wall {{[-o|--output]}} {{path/to/output_executable}}`
 
 - Show common warnings, debug symbols in output, and optimize without affecting debugging:
 

tldr/gdb

@@ -10,24 +10,24 @@ source: https://github.com/tldr-pages/tldr.git
 
 - Debug an executable:
 
-`gdb {{executable}}`
+`gdb {{path/to/executable}}`
 
-- Attach a process to gdb:
+- Attach a process to `gdb`:
 
 `gdb {{[-p|--pid]}} {{procID}}`
 
 - Debug with a core file:
 
-`gdb {{[-c|--core]}} {{core}} {{executable}}`
+`gdb {{[-c|--core]}} {{path/to/core}} {{path/to/executable}}`
 
 - Execute given GDB commands upon start:
 
-`gdb {{[-ex|--eval-command]}} "{{commands}}" {{executable}}`
+`gdb {{[-ex|--eval-command]}} "{{commands}}" {{path/to/executable}}`
 
 - Start `gdb` and pass arguments to the executable:
 
-`gdb --args {{executable}} {{argument1}} {{argument2}}`
+`gdb --args {{path/to/executable}} {{argument1 argument2 ...}}`
 
-- Skip debuginfod and pagination prompts and then print the backtrace:
+- Skip `debuginfod` and pagination prompts and then print the backtrace:
 
-`gdb {{[-c|--core]}} {{core}} {{executable}} -iex 'set debuginfod enabled on' -iex 'set pagination off' -ex bt`
+`gdb {{[-c|--core]}} {{path/to/core}} {{path/to/executable}} -iex 'set debuginfod enabled on' -iex 'set pagination off' -ex bt`

tldr/git-bisect

@@ -17,7 +17,7 @@ source: https://github.com/tldr-pages/tldr.git
 
 `git bisect {{good|bad}}`
 
-- After `git bisect` pinpoints the faulty commit, end the bisect session and return to the previous branch:
+- End the bisect session and return to the previous branch:
 
 `git bisect reset`
 

tldr/linux/systemctl-whoami

@@ -0,0 +1,26 @@
+---
+syntax: markdown
+tags: [tldr, linux]
+source: https://github.com/tldr-pages/tldr.git
+---
+# systemctl whoami
+
+> Show units that processes belong to.
+> If no PID is specified, shows the unit the `systemctl` command itself is invoked in.
+> More information: <https://www.freedesktop.org/software/systemd/man/latest/systemctl.html#whoami%20%5BPID%E2%80%A6%5D>.
+
+- Show the unit of the current shell (where `systemctl` is running):
+
+`systemctl whoami`
+
+- Show the unit of the current shell in user service manager (services managed for your login session):
+
+`systemctl --user whoami`
+
+- Show the unit a specific process belongs to:
+
+`systemctl whoami {{pid}}`
+
+- Show the units for multiple processes:
+
+`systemctl whoami {{pid1 pid2 ...}}`

tldr/qdbus

@@ -22,7 +22,7 @@ source: https://github.com/tldr-pages/tldr.git
 
 - Execute a specific method passing arguments and display the returned value:
 
-`qdbus {{service_name}} /{{path/to/object}} {{method_name}} {{argument1}} {{argument2}}`
+`qdbus {{service_name}} /{{path/to/object}} {{method_name}} {{argument1 argument2 ...}}`
 
 - Display the current brightness value in a KDE Plasma session: