Arguments Shell parameters Array variables Array Variables Variables Environment variables functions Define Function Macros Permissions Allow or Deny actions Redirection Spooling to and from files Pipes Redirect the output from one command as input for another
if-then-else Conditionally perform a command for Expand words, and execute commands until Execute commands (until error) while Execute commands The break and continue builtins can be used to control loop execution.
Arithmetic expressions Using brackets to Group and expand expressions Conditional Execution command-A AND/OR command-B Comparison Operators exists, greater than, equal to Shell expansion and Pattern matching (Wildcards) Escape Characters, delimiters and Quotes File operators -f Command Substitution
Working with the bash Shell:
Run a bash shell script vi editor vi commands Here documents and Here Strings Keyboard Cursor control - Cut & paste Job Control Suspend and resume a process .bashrc Startup files (Startup scripts and Aliases) .inputrc Startup files (Set Key bindings and Tab completion) Prompt Prompt variable ### Comment / Remark BashBangSplat Pronunciation guide for unix
Note that wherever a `;' appears in the description of a command's syntax, it can be replaced with one or more newlines.