June 2025
Beginner to intermediate
1180 pages
37h 48m
English
Content preview from Linux
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7.12 Important Special Characters in Bash: Quick Reference
Table 7.8 summarizes all the special characters I introduced in this chapter.
|
Character |
Meaning |
|---|---|
|
; |
Separates multiple commands |
|
: |
Shell command that does nothing |
|
. |
Insert shell code here (. file corresponds to source file) |
|
# |
Introduces a comment |
|
#!/bin/bash |
Identifies the desired shell for the shell program |
|
& |
Executes the command in the background (com &) |
|
&& |
Conditional execution of the command (com1 && com2) |
|
&> |
Redirection of standard output and errors (corresponds to >&) |
|
| |
Creates pipes (com1 | com2) |
|
|| |
Conditional execution of the command (com1 || com2) |
|
* |
Wildcard character for file names (any number of characters) ... |
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I'm always learning. So when I got on to O'Reilly, I was like a kid in a candy store. There are playlists. There are answers. There's on-demand training. It's worth its weight in gold, in terms of what it allows me to do.