Working with Files
| Command | Syntax (Example) | Description |
|---|---|---|
| cat | cat <file> | Most commonly used to display the contents of a file. Derived from the word "concatenate," which it also does. |
| chattr | chattr <option> file | Changes the ext2 attribute of a file. Some options available only to UID 0. |
| cp | cp <source> < dest> | Copies a file. |
| dd | dd if=input of=output | Most commonly used to convert a file. Can be used to copy image files from one device to another device or file. |
| file | file <file> | Determines the type of a given file. |
| grep | grep <pattern> < file> | Searches a file or files for a specified pattern. |
| gzip | gzip <name> | Compresses a file using Lempel-Ziv coding. Files compressed with this utility have a .gz suffix. |
| gunzip | gunzip <name> | Decompresses a gzipped file. |
| less | less <file> | |
| cat ... |
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