Caution

JavaScript is disabled in your browser.
This site uses JavaScript for features such as search.
For the best experience, please enable JavaScript before browsing this site.

Dictionary

For Developers: All Dictionaries Search

Home
Bash Dictionary

Bash Dictionary Index

[Setup] Bash Environment	Steps to set up an environment for creating and running Bash scripts.
ls	Displaying a list of files.
cd / pwd	Navigating directories and checking the current location.
cp / mv / rm	Copying, moving, and deleting files and directories.
mkdir / rmdir / touch	Creating directories and files.
find	Searching for files.
ln	Creating symbolic links and hard links.
chmod / chown / chgrp	Changing permissions and ownership.
stat / file / du / df	Checking file information and disk usage.
cat / tac	Displaying file contents in order and in reverse.
less / more	Browsing a file with paging.
head / tail	Displaying the beginning or end of a file.
echo / printf	Outputting strings.
wc / sort / uniq	Counting lines and words, sorting, and removing duplicates.
grep	Searching text for patterns.
sed	Line-based text substitution and editing.
awk	Field processing and aggregation of text.
cut / paste / join	Cutting, pasting, and joining fields.
tr / col / expand	Converting and formatting characters.
diff / patch	Comparing file differences and applying patches.
\| (Pipe)	Passing the output of one command to the next.
> (Output Redirect)	Redirecting stdout and stderr.
< (Input Redirect) / Heredoc	Redirecting stdin and using here documents.
tee	Writing to a file in the middle of a pipe.
xargs	Running commands from a list of arguments.
Defining and Referencing Variables	Declaring, assigning, and referencing shell variables.
export / env / printenv	Setting and checking environment variables.
${Parameter Expansion}	Advanced variable expansion and default value settings.
Special Variables	Special shell variables used in scripts.
$((Arithmetic Expansion))	Integer arithmetic.
{} (Brace Expansion)	Generating sequences and strings.
$() (Command Substitution)	Using command output as a value.
if / elif / else	Conditional branching.
test / [ ] / [[ ]]	Evaluating conditional expressions.
case	Multi-way branching by value.
for	Looping over a list or range.
while / until	Conditional loops.
select	Generating an interactive menu.
Defining and Calling Functions	Basics of shell functions.
Function Arguments and Return Values	Receiving arguments and returning values.
read	Reading from standard input.
Shebang / chmod +x	Creating and executing script files.
source / . (Dot)	Loading another script file.
ps / top / htop	Checking running processes.
kill / pkill / killall	Stopping processes and sending signals.
& (Background Execution)	Running in the background and managing jobs.
wait / trap	Waiting for processes and catching signals.
curl	Sending and receiving HTTP requests.
wget	Downloading files.
ssh / scp / rsync	Connecting to remote hosts and transferring files.
ping / nslookup / dig	Network diagnostics and name resolution.
tar	Creating and extracting archives.
gzip / bzip2 / zip / unzip	Compressing and extracting files.
date / cal	Getting and manipulating dates and times.
Bash vs zsh Differences	Summary of key differences including arrays, globs, and prompts.

Home