121bashThis demonstrates using curl to send an HTTP request with an empty Host header.curl --header "Host:" http://www.example.comexternal toolscurlHTTP request customizationheader manipulation
122bashThis demonstrates forcefully terminating a process using the kill command with the -9 signal.kill -9 PIDexternal toolskillprocess termination
123bashThis script lists all available versions of the wget package using the apt package manager.apt list --all-versions wgetexternal toolsapt
124bashThis demonstrates using curl to chain multiple HTTP requests in a single command, including a POST request with data and a subsequent GET request.curl -d score=10 http://example.com/post.cgi --next http://example.com/results.htmlexternal toolscurlchaining HTTP requests
125bashThis demonstrates calculating the logarithm of 100 with base 10 using the bc command.echo 'l(100)/l(10)' | bc -lexternal toolsbcmathematical computation
126bashThis script uses rsync to synchronize and copy the contents of the /foo directory from a remote host to the local /bar directory, preserving permissions and timestamps while compressing the data during transfer.rsync -avz username@hostname:/foo /barexternal toolsrsync
127bashThis demonstrates the use of the pidof command to find the process ID (PID) of a running program named foo.pidof fooexternal toolspidofprocess identification
128bashThis demonstrates sending a POST request with a file as binary data using curl.curl -X POST \ -H "Content-Type: text/xml" \ --data-binary "@path/to/file.xml" \ http://example.comexternal toolscurlHTTP operationsPOST request
129bashThis demonstrates uninstalling a package using the apt package manager.apt remove wgetexternal toolsapt
130bashThis demonstrates the use of the tree command to display a directory structure in a tree-like format.treeexternal toolstreedirectory structure visualization
131bashThis demonstrates sending a PROPFIND HTTP request with XML data and custom headers using curl.curl --data "<xml>" --header "Content-Type: text/xml" --request PROPFIND example.comexternal toolscurlHTTP requestscustom headers and data
132bashThis demonstrates using egrep to recursively search for lines containing either foo or bar within the /baz directory.egrep 'foo|bar' /baz -Rexternal toolsgrepregex filter (regular expression filter)multi-pattern search with recursion
133bashThis demonstrates listing files and directories with detailed, human-readable information using the ls command.ls -lhexternal toolslsdetailed and human-readable listing
134bashThis demonstrates displaying the directory structure in a tree-like format, including hidden files and directories, using the tree command.tree -aexternal toolstreedirectory structure visualization
135bashThis demonstrates using grep to search for a specific string in a file and conditionally print a message if the string is found.if grep -q 'foo' ~/.bash_history; then echo "You appear to have typed 'foo' in the past" fiexternal toolsgrepstring search
136crontabThis cron job schedules the foo command to run every hour at the beginning of the hour.0 * * * * fooexternal toolscronscheduling tasks
137bashThis demonstrates sending a POST request with curl to multiple URLs in a single command.curl --data name=curl http://url1.example.com http://url2.example.comexternal toolscurlHTTP requestsPOST request
138bashExtract the first 5 lines from the sales.csv file and save them to a new file named top_sales.csv. This demonstrates how to use the head command to quickly extract a portion of a file.head -n 5 sales.csv > top_sales.csvexternal toolshead
139bashStart a new tmux session to manage multiple terminal windows and panes efficiently.tmuxexternal toolstmuxterminal session management
140bashThis snippet demonstrates using curl with a client certificate (mycert.pem) to make a secure HTTPS request to https://secure.example.com. This is an example of how to authenticate with a client certificate in a curl request.curl --cert mycert.pem https://secure.example.comexternal toolscurl