Linux commands
Description: Linux commands | |
Number of Questions: 21 | |
Created by: Ratna Goswami | |
Tags: Linux |
Which regular expression would grab a number at the beginning of a line?
What is the symbol for a regular file?
What is the third step in the boot process?
Metadata about file system, critical for operations.
chmod 644 passwd What are permissions for the passwd file?
What pseudo file system shows information about process AND some hardware?
Opposite of input is an example of?
True if only one or the other input is the same; if both are the same, it's false.
Execute next command if previous command false (of fails) is an example of what?
Execute next command if previous command true (or successful) is an example of?
Using cat crontab when does cron.weekly run? 57 00 * * 7 [USER] [COMMAND]
Using cat crontab when does cron.daily run? 25 6 * * * [USER] [COMMAND]
ls -l shows output -rwx-rw-r--. Which answer shows the correct permissions?
What is main difference between interactive and non-interactive shells?
What is the order of evaluation in bash?
Which command will change file owner AND group?
What command will change file timestamps?
In bash what symbolizes a root prompt?
In bash what symbolizes a user prompt?
What is the default shell for most Linux distributions?