Answer1215

摘要： pbcopy is a command-line utility available on macOS that allows you to copy the output of a command directly to the clipboard. It can be very handy fo 阅读全文

摘要： Sometimes it's handy to break long lines into shorter lines. # read moby-dick file for first 250 lines # then fold each line to have max 30 char (-w) 阅读全文

摘要： Calendar cal May 2024 Su Mo Tu We Th Fr Sa 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 # all months cal 2024 # 阅读全文

摘要： grep is a powerful command-line tool used for searching text using patterns. It's widely used for finding specific text within files or output streams 阅读全文

摘要： curl is a powerful command-line tool for transferring data with URL syntax. It supports various protocols including HTTP, HTTPS, FTP, and many others. 阅读全文

摘要： The kill command sends a signal to a process, usually to terminate the process. kill PID This command sends the SIGTERM signal to the process with the 阅读全文

摘要： ps The ps command is used to display information about running processes. This command displays a snapshot of the current processes. Common Options: a 阅读全文

摘要： Error handling in Bash can be managed using exit statuses and traps. Every commands in Bash returns an exit status (0 for success, non-zero for failur 阅读全文

摘要： Functions in Bash allow you to group commands into reusable blocks. This helps make your scripts more modular and easier to manage. function_name() { 阅读全文

摘要： The new cause data property that you can add to a thrown Error can be used to retain access to the original error caught in a promise rejection. const 阅读全文