|  | Index Entry | Section | 
|---|
| 
 | 
| O |  |  | 
|---|
|  | octal dump of files | 3.4 od: Write files in octal or other formats | 
|  | od | 3.4 od: Write files in octal or other formats | 
|  | operating on characters | 9. Operating on characters | 
|  | operating on sorted files | 7. Operating on sorted files | 
|  | output file name prefix | 5.3 split: Split a file into fixed-size pieces | 
|  | output file name prefix | 5.4 csplit: Split a file into context-determined pieces | 
|  | output file name suffix | 5.4 csplit: Split a file into context-determined pieces | 
|  | output of entire files | 3. Output of entire files | 
|  | output of parts of files | 5. Output of parts of files | 
|  | output tabs | 4.2 pr: Paginate or columnate files for printing | 
|  | overwriting of input, allowed | 7.1 sort: Sort text files | 
| 
 | 
| P |  |  | 
|---|
|  | paragraphs, reformatting | 4.1 fmt: Reformat paragraph text | 
|  | parts of files, output of | 5. Output of parts of files | 
|  | paste | 8.2 paste: Merge lines of files | 
|  | phone directory order | 7.1 sort: Sort text files | 
|  | pieces, splitting a file into | 5.3 split: Split a file into fixed-size pieces | 
|  | Plass, Michael F. | 4.1 fmt: Reformat paragraph text | 
|  | POSIX.2 | 1. Introduction | 
|  | POSIXLY_CORRECT | 9.1.4 Warning messages | 
|  | pr | 4.2 pr: Paginate or columnate files for printing | 
|  | print | 9.1.1 Specifying sets of characters | 
|  | printing, preparing files for | 4.2 pr: Paginate or columnate files for printing | 
|  | ptx | 7.5 ptx: Produce permuted indexes | 
|  | punct | 9.1.1 Specifying sets of characters | 
| 
 | 
| R |  |  | 
|---|
|  | radix for file offsets | 3.4 od: Write files in octal or other formats | 
|  | ranges | 9.1.1 Specifying sets of characters | 
|  | reformatting paragraph text | 4.1 fmt: Reformat paragraph text | 
|  | repeated characters | 9.1.1 Specifying sets of characters | 
|  | reverse sorting | 7.1 sort: Sort text files | 
|  | reversing files | 3.2 tac: Concatenate and write files in reverse | 
|  | rn format for nl | 3.3 nl: Number lines and write files | 
|  | rz format for nl | 3.3 nl: Number lines and write files | 
| 
 | 
| S |  |  | 
|---|
|  | screen columns | 4.3 fold: Wrap input lines to fit in specified width | 
|  | section delimiters of pages | 3.3 nl: Number lines and write files | 
|  | sentences and line-breaking | 4.1 fmt: Reformat paragraph text | 
|  | sort | 7.1 sort: Sort text files | 
|  | sort field | 7.1 sort: Sort text files | 
|  | sort zero-terminated lines | 7.1 sort: Sort text files | 
|  | sorted files, operations on | 7. Operating on sorted files | 
|  | sorting files | 7.1 sort: Sort text files | 
|  | space | 9.1.1 Specifying sets of characters | 
|  | specifying sets of characters | 9.1.1 Specifying sets of characters | 
|  | split | 5.3 split: Split a file into fixed-size pieces | 
|  | splitting a file into pieces | 5.3 split: Split a file into fixed-size pieces | 
|  | splitting a file into pieces by context | 5.4 csplit: Split a file into context-determined pieces | 
|  | squeezing blank lines | 3.1 cat: Concatenate and write files | 
|  | squeezing repeat characters | 9.1.3 Squeezing repeats and deleting | 
|  | string constants, outputting | 3.4 od: Write files in octal or other formats | 
|  | sum | 6.2 sum: Print checksum and block counts | 
|  | summarizing files | 6. Summarizing files | 
|  | System V sum | 6.2 sum: Print checksum and block counts | 
| 
 | 
| T |  |  | 
|---|
|  | tabs to spaces, converting | 9.2 expand: Convert tabs to spaces | 
|  | tabstops, setting | 9.2 expand: Convert tabs to spaces | 
|  | tac | 3.2 tac: Concatenate and write files in reverse | 
|  | tagged paragraphs | 4.1 fmt: Reformat paragraph text | 
|  | tail | 5.2 tail: Output the last part of files | 
|  | telephone directory order | 7.1 sort: Sort text files | 
|  | text input files | 6.4 md5sum: Print or check message-digests | 
|  | text utilities |  | 
|  | text, reformatting | 4.1 fmt: Reformat paragraph text | 
|  | TMPDIR | 7.1 sort: Sort text files | 
|  | topological sort | 7.4 tsort: Topological sort | 
|  | total counts | 6.1 wc: Print byte, word, and line counts | 
|  | tr | 9.1 tr: Translate, squeeze, and/or delete characters | 
|  | translating characters | 9.1.2 Translating | 
|  | tsort | 7.4 tsort: Topological sort | 
|  | type size | 3.4 od: Write files in octal or other formats | 
| 
 | 
| U |  |  | 
|---|
|  | unexpand | 9.3 unexpand: Convert spaces to tabs | 
|  | uniq | 7.2 uniq: Uniquify files | 
|  | unique lines, outputting | 7.2 uniq: Uniquify files | 
|  | uniquify files | 7.2 uniq: Uniquify files | 
|  | uniquifying output | 7.1 sort: Sort text files | 
|  | unprintable characters, ignoring | 7.1 sort: Sort text files | 
|  | upper | 9.1.1 Specifying sets of characters | 
|  | utilities for text handling |  | 
| 
 | 
| V |  |  | 
|---|
|  | verifying MD5 checksums | 6.4 md5sum: Print or check message-digests | 
|  | verifying MD5 checksums | 6.4 md5sum: Print or check message-digests | 
|  | version number, finding | 2. Common options | 
| 
 | 
| W |  |  | 
|---|
|  | wc | 6.1 wc: Print byte, word, and line counts | 
|  | word count | 6.1 wc: Print byte, word, and line counts | 
|  | wrapping long input lines | 4.3 fold: Wrap input lines to fit in specified width | 
| 
 | 
| X |  |  | 
|---|
|  | xdigit | 9.1.1 Specifying sets of characters | 
| 
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