Please write down the Linux command for each question. 17.1 What command should be used to change the read, write and execute permission of a file? 17.2 The command for a user wants to delete recursively all files and subdirectory from current directory is 17.3 What is the command which edits the scheduler for automatic command executions at background? 17.4 This command let a user check the names of the groups that this a/c belongs to. 17.5 What do we expect to see if running “$ echo `expr 2 \*3`? 17.6 Upon booting up the OS, the latest kernel initialization daemon process that the Ubuntu distribution is using today is ____ 17 Like to find files with “.sh” extensions from current local directory to all its subdirectories, what is the command? 17.8 What is the command to find the IP address of a network card? 17.9 What is usually written on the first line in shell scripts? 17.10 Like to backup all files and subdirectories under /var/www, the output file name is today.tar. The command is _____ (compression is optional)
Please write down the Linux command for each question.
17.1 What command should be used to change the read, write and execute permission of a file?
17.2 The command for a user wants to delete recursively all files and subdirectory from current directory is
17.3 What is the command which edits the scheduler for automatic command executions at background?
17.4 This command let a user check the names of the groups that this a/c belongs to.
17.5 What do we expect to see if running “$ echo `expr 2 \*3`?
17.6 Upon booting up the OS, the latest kernel initialization daemon process that the Ubuntu distribution is using today is ____
17 Like to find files with “.sh” extensions from current local directory to all its subdirectories, what is the command?
17.8 What is the command to find the IP address of a network card?
17.9 What is usually written on the first line in shell scripts?
17.10 Like to backup all files and subdirectories under /var/www, the output file name is today.tar. The command is _____ (compression is optional)
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