Linux: Beginners guide for learning Linux & Shell scripting (1 Book 5) by Scott Harvey

Author:Scott Harvey
Language: eng
Format: azw3
Published: 2017-08-27T07:00:00+00:00

• -n: Will sort as per the numeric value.

• -d: Will sort as per the dictionary meaning.

• -r: Will sort in the reverse order.

• -t: Option to specify a delimiter for fields.

• +num: Specifies sorting field numbers.

• -knum: Specifies sorting filed numbers.

• $ sort +4 sample.txt: This will sort according to the 4th field.

 File descriptors

All I/o are handled by the kernel. Either we are talking about files, pipes or sockets they are handled by kernel using a mechanism called file descriptor. A file descriptor integer maintained by the kernel and used by the kernel.

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