diff options
Diffstat (limited to 'bin/sh/sh.1')
-rw-r--r-- | bin/sh/sh.1 | 34 |
1 files changed, 17 insertions, 17 deletions
diff --git a/bin/sh/sh.1 b/bin/sh/sh.1 index 0abec6e..b0f4f61 100644 --- a/bin/sh/sh.1 +++ b/bin/sh/sh.1 @@ -98,7 +98,7 @@ generally prompts before each command and handles programming and command errors differently (as described below). When first starting, the shell inspects argument 0, and if it begins with a dash -.Pq Li - , +.Pq Ql - , the shell is also considered a login shell. This is normally done automatically by the system when the user first logs in. @@ -172,15 +172,15 @@ built-in command (described later in the section called .Sx Built-in Commands ) . Introducing an option with a dash -.Pq Li - +.Pq Ql - enables the option, while using a plus -.Pq Li + +.Pq Ql + disables the option. A .Dq Li -- or plain -.Dq Li - +.Dq Ql - will stop option processing and will force the remaining words on the command line to be treated as arguments. The @@ -366,11 +366,11 @@ it impossible to put single-quotes in a single-quoted string). .It Double Quotes Enclosing characters within double quotes preserves the literal meaning of all characters except dollarsign -.Pq Li $ , +.Pq Ql $ , backquote -.Pq Li ` , +.Pq Ql ` , and backslash -.Pq Li \e . +.Pq Ql \e . The backslash inside double quotes is historically weird. It remains literal unless it precedes the following characters, which it serves to quote: @@ -380,7 +380,7 @@ which it serves to quote: .It Backslash A backslash preserves the literal meaning of the following character, with the exception of the newline character -.Pq Li \en . +.Pq Ql \en . A backslash preceding a newline is treated as a line continuation. .El .Ss Reserved Words @@ -703,7 +703,7 @@ They are executed in the current shell, although they do not affect its environment when used in pipelines. .Ss Background Commands (&) If a command is terminated by the control operator ampersand -.Pq Li & , +.Pq Ql & , the shell executes the command asynchronously; the shell does not wait for the command to finish before executing the next command. @@ -1057,11 +1057,11 @@ character is used to introduce parameter expansion, command substitution, or arithmetic evaluation. .Ss Tilde Expansion (substituting a user's home directory) A word beginning with an unquoted tilde character -.Pq Li ~ +.Pq Ql ~ is subjected to tilde expansion. All the characters up to a slash -.Pq Li / +.Pq Ql / or the end of the word are treated as a username and are replaced with the user's home directory. If the @@ -1290,13 +1290,13 @@ variable or the output of the command is scanned for these characters and they are turned into meta-characters. .Pp An asterisk -.Pq Li * +.Pq Ql * matches any string of characters. A question mark -.Pq Li \&? +.Pq Ql \&? matches any single character. A left bracket -.Pq Li [ +.Pq Ql [ introduces a character class. The end of the character class is indicated by a .Dq Li \&] ; @@ -1310,7 +1310,7 @@ rather than introducing a character class. A character class matches any of the characters between the square brackets. A range of characters may be specified using a minus sign. The character class may be complemented by making an exclamation point -.Pq Li !\& +.Pq Ql !\& the first character of the character class. .Pp To include a @@ -1853,9 +1853,9 @@ flag may be omitted when specifying arguments to be used as positional replacement parameters. This is not recommended, because the first argument may begin with a dash -.Pq Li - +.Pq Ql - or a plus -.Pq Li + , +.Pq Ql + , which the .Ic set command will interpret as a request to enable or disable options. |