Bash builtins: refresh pages (#19967)

Author: Managor

pages/common/[.md

@@ -5,9 +5,13 @@
 > See also: `test`.
 > More information: <https://gnu.org/software/bash/manual/bash.html#index-test>.
 
-- Test if a given variable is equal/not equal to the specified string:
+- Test if a given variable is equal to the specified string:
 
-`[ "${{variable}}" {{=|!=}} "{{string}}" ]`
+`[ "${{variable}}" = "{{string}}" ]`
+
+- Test if a given variable is not equal to the specified string:
+
+`[ "${{variable}}" != "{{string}}" ]`
 
 - Test if a given variable is [eq]ual/[n]ot [e]qual/[g]reater [t]han/[l]ess [t]han/[g]reater than or [e]qual/[l]ess than or [e]qual to the specified number:
 

pages/common/[[.md

@@ -4,13 +4,13 @@
 > Returns a status of 0 if the condition evaluates to true, 1 if it evaluates to false.
 > More information: <https://gnu.org/software/bash/manual/bash.html#index-_005b_005b>.
 
-- Test if a given variable is equal/not equal to the specified string:
+- Test if a given variable is equal to the specified string or glob:
 
-`[[ ${{variable}} {{==|!=}} "{{string}}" ]]`
+`[[ ${{variable}} == "{{string}}" ]]`
 
-- Test if a given string conforms the specified glob/`regex`:
+- Test if a given string conforms the specified `regex`:
 
-`[[ ${{variable}} {{==|=~}} {{pattern}} ]]`
+`[[ ${{variable}} =~ {{pattern}} ]]`
 
 - Test if a given variable is [eq]ual/[n]ot [e]qual/[g]reater [t]han/[l]ess [t]han/[g]reater than or [e]qual/[l]ess than or [e]qual to the specified number:
 

pages/common/bg.md

@@ -1,6 +1,6 @@
 # bg
 
-> Resume suspended jobs (e.g. using `<Ctrl z>`), and keeps them running in the background.
+> Resume suspended jobs (e.g. using `<Ctrl z>`), and keep them running in the background.
 > See also: `jobs`, `fg`, `disown`.
 > More information: <https://www.gnu.org/software/bash/manual/bash.html#index-bg>.
 

pages/common/command.md

@@ -1,6 +1,6 @@
 # command
 
-> Command forces the shell to execute the program and ignore any functions, builtins and aliases with the same name.
+> Force the shell to execute the program and ignore any functions, builtins, and aliases with the same name.
 > More information: <https://www.gnu.org/software/bash/manual/bash.html#index-command>.
 
 - Execute the `ls` program literally, even if an `ls` alias exists:

pages/common/continue.md

@@ -1,6 +1,6 @@
 # continue
 
-> Skip to the next iteration of a `for`, `while`, `until` or `select` loop.
+> Skip to the next iteration of a `for`, `while`, `until`, or `select` loop.
 > More information: <https://www.gnu.org/software/bash/manual/bash.html#index-continue>.
 
 - Skip to the next iteration:

pages/common/enable.md

@@ -10,3 +10,7 @@
 - Disable a builtin (works in Bash only):
 
 `enable -n {{command}}`
+
+- Re-enable a builtin:
+
+`enable {{command}}`

pages/common/false.md

@@ -1,8 +1,13 @@
 # false
 
 > Returns a non-zero exit code.
-> More information: <https://www.gnu.org/software/coreutils/manual/html_node/false-invocation.html>.
+> See also: `true`.
+> More information: <https://www.gnu.org/software/bash/manual/bash.html#index-false>.
 
 - Return a non-zero exit code:
 
 `false`
+
+- Make a command always exit with 1:
+
+`{{command}} && false`

pages/common/fc.md

@@ -1,6 +1,7 @@
 # fc
 
-> Open the most recent command for editing and then run it.
+> Open the recent commands for editing and then run them.
+> See also: `history`.
 > More information: <https://www.gnu.org/software/bash/manual/bash.html#index-fc>.
 
 - Open the last command in the default system editor and run it after editing:

pages/common/fg.md

@@ -1,7 +1,7 @@
 # fg
 
 > Run jobs in foreground.
-> See also: `jobs`, `bg`, `disown`.
+> See also: `jobs`, `bg`, `disown`, `%`.
 > More information: <https://www.gnu.org/software/bash/manual/bash.html#index-fg>.
 
 - Bring most recently suspended or running background job to foreground:

pages/common/for.md

@@ -3,7 +3,7 @@
 > Perform a command several times.
 > More information: <https://www.gnu.org/software/bash/manual/bash.html#Looping-Constructs>.
 
-- Iterate through command line arguments:
+- Iterate through command line parameters:
 
 `for {{variable}}; do {{echo $variable}}; done`