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A Linux command a day (20): find -exec command
find is a very common Linux command, but we usually find more than just a look, there will be further operations, this is where exec comes into play.
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A Linux command a day (19): which command
We often have to look for a file in linux, but we don’t know where it is, we can use some of the following commands to search for it.
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A Linux command a day (18): whereis command
The whereis command can only be used for program name searching, and only searches binary files (argument -b), man description files (argument -m) and source files (argument -s).
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A Linux command a day (17): find command
The find command under Linux searches for files in the directory structure and performs the specified operations.
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A Linux command a day (16): locate command
locate allows users to quickly search for a specific file in the file system.
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A Linux command a day (15): tail command
The tail command writes a file to standard output from the specified point.
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A Linux command a day (14): head command
head and tail are as easy to understand as its name, it is used to display the beginning or end of a certain amount of text blocks, head is used to display the beginning of the file to the standard output, and tail is of course to see the end of the file.
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A Linux command a day (13): less command
The less tool is also a tool for paging files or other output, and is supposed to be the orthodox linux tool for viewing the contents of files, which is extremely powerful.
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A Linux command a day (11): nl command
The nl command is used on linux systems to calculate line numbers in files.
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A Linux command a day (10): cat command
The purpose of the cat command is to concatenate files or standard input and print them.