| Index Entry | Section |
|
P | | |
| p for FIFO file | 12.5 mknod : Make block or character special files |
| pad character | 19.2.3 Output settings |
| pad instead of timing for delaying | 19.2.3 Output settings |
| padding of numeric fields | 21.1.4 Padding |
| paragraphs, reformatting | 4.1 fmt : Reformat paragraph text |
| parenb | 19.2.1 Control settings |
| parent directories and cp | 11.1 cp : Copy files and directories |
| parent directories, creating | 12.3 mkdir : Make directories |
| parent directories, creating missing | 11.3 install : Copy files and set attributes |
| parent directories, removing | 12.6 rmdir : Remove empty directories |
| parentheses for grouping | 16.4 expr : Evaluate expressions |
| parity | 19.2.5 Combination settings |
| parity errors, marking | 19.2.2 Input settings |
| parity, ignoring | 19.2.2 Input settings |
| parmrk | 19.2.2 Input settings |
| parodd | 19.2.1 Control settings |
| parsing date strings | 21.1.6 Options for date |
| parts of files, output of | 5. Output of parts of files |
| pass8 | 19.2.5 Combination settings |
| passwd entry, and su shell | 22.5 su : Run a command with substitute user and group id |
| paste | 8.2 paste : Merge lines of files |
| Paterson, R. | 1. Introduction |
| PATH | 22.2 env : Run a command in a modified environment |
| PATH | 22.5 su : Run a command with substitute user and group id |
| pathchk | 18.3 pathchk : Check file name portability |
| pattern matching | 16.4.1 String expressions |
| PC filesystem | 14.1 df : Report filesystem disk space usage |
| pcfs | 14.1 df : Report filesystem disk space usage |
| pebibyte, definition of | 2.2 Block size |
| permission tests | 16.3.2 Access permission tests |
| permissions of installed files, setting | 11.3 install : Copy files and set attributes |
| permissions, changing access | 13.3 chmod : Change access permissions |
| permissions, copying existing | 26.2.2 Copying Existing Permissions |
| permissions, for changing file timestamps | 13.4 touch : Change file timestamps |
| permissions, output by ls | 10.1.2 What information is listed |
| petabyte, definition of | 2.2 Block size |
| phone directory order | 7.1 sort : Sort text files |
| pieces, splitting a file into | 5.3 split : Split a file into fixed-size pieces |
| Pinard, F. | 1. Introduction |
| Pinard, F. | 27.8 Authors of getdate |
| pipe fitting | 17.1 tee : Redirect output to multiple files |
| Plass, Michael F. | 4.1 fmt : Reformat paragraph text |
| platform, hardware | 21.2 uname : Print system information |
| pm in date strings | 27.3 Time of day items |
| portable file names, checking for | 18.3 pathchk : Check file name portability |
| portable output format | 14.1 df : Report filesystem disk space usage |
| POSIX | 1. Introduction |
| POSIX output format | 14.1 df : Report filesystem disk space usage |
| POSIXLY_CORRECT | 2. Common options |
| POSIXLY_CORRECT | 2.5 Standards conformance |
| POSIXLY_CORRECT | 4.2 pr : Paginate or columnate files for printing |
| POSIXLY_CORRECT | 6.1 wc : Print byte, word, and line counts |
| POSIXLY_CORRECT | 7.1 sort : Sort text files |
| POSIXLY_CORRECT | 9.1.4 Warning messages |
| POSIXLY_CORRECT, and block size | 2.2 Block size |
| pr | 4.2 pr : Paginate or columnate files for printing |
| prime factors | 25.1 factor : Print prime factors |
| print | 9.1.1 Specifying sets of characters |
| print name of current directory | 19.1 pwd : Print working directory |
| print system information | 21.2 uname : Print system information |
| print terminal file name | 19.4 tty : Print file name of terminal on standard input |
| printenv | 19.3 printenv : Print all or some environment variables |
| printf | 15.2 printf : Format and print data |
| printing all or some environment variables | 19.3 printenv : Print all or some environment variables |
| printing color database | 10.4 dircolors : Color setup for ls |
| printing current user information | 20.6 who : Print who is currently logged in |
| printing current usernames | 20.5 users : Print login names of users currently logged in |
| printing groups a user is in | 20.4 groups : Print group names a user is in |
| printing real and effective uid and gid | 20.1 id : Print real and effective uid and gid |
| printing text | 15.1 echo : Print a line of text |
| printing text, commands for | 15. Printing text |
| printing the current time | 21.1 date : Print or set system date and time |
| printing the effective UID | 20.3 whoami : Print effective user id |
| printing the host identifier | 21.4 hostid : Print numeric host identifier. |
| printing the hostname | 21.3 hostname : Print or set system name |
| printing user's login name | 20.2 logname : Print current login name |
| printing, preparing files for | 4.2 pr : Paginate or columnate files for printing |
| priority, modifying | 22.3 nice : Run a command with modified scheduling priority |
| processes, commands for controlling | 23. Process control |
| prompting, and ln | 12.2 ln : Make links between files |
| prompting, and mv | 11.4 mv : Move (rename) files |
| prompting, and rm | 11.5 rm : Remove files or directories |
| prompts, forcing | 11.4 mv : Move (rename) files |
| prompts, omitting | 11.4 mv : Move (rename) files |
| prterase | 19.2.4 Local settings |
| ptx | 7.6 ptx : Produce permuted indexes |
| punct | 9.1.1 Specifying sets of characters |
| pure numbers in date strings | 27.7 Pure numbers in date strings |
| pwd | 19.1 pwd : Print working directory |
|
Q | | |
| quit | 19.2.6 Special characters |
| quoting style | 10.1.7 Formatting the file names |
|
R | | |
| radix for file offsets | 3.4 od : Write files in octal or other formats |
| ranges | 9.1.1 Specifying sets of characters |
| raw | 19.2.5 Combination settings |
| read errors, ignoring | 11.2 dd : Convert and copy a file |
| read from stdin and write to stdout and files | 17.1 tee : Redirect output to multiple files |
| read permission | 26.1 Structure of File Permissions |
| read permission, symbolic | 26.2.1 Setting Permissions |
| read system call, and holes | 11.1 cp : Copy files and directories |
| readable file check | 16.3.2 Access permission tests |
| real uid and gid, printing | 20.1 id : Print real and effective uid and gid |
| recursive directory listing | 10.1.1 Which files are listed |
| recursively changing access permissions | 13.3 chmod : Change access permissions |
| recursively changing file ownership | 13.1 chown : Change file owner and group |
| recursively changing group ownership | 13.2 chgrp : Change group ownership |
| recursively copying directories | 11.1 cp : Copy files and directories |
| recursively copying directories | 11.1 cp : Copy files and directories |
| redirection | 17. Redirection |
| reformatting paragraph text | 4.1 fmt : Reformat paragraph text |
| regular expression matching | 16.4.1 String expressions |
| regular file check | 16.3.1 File type tests |
| relations, numeric or string | 16.4.3 Relations for expr |
| relative items in date strings | 27.6 Relative items in date strings |
| release of kernel | 21.2 uname : Print system information |
| remainder | 16.4.2 Numeric expressions |
| remote hostname | 20.6 who : Print who is currently logged in |
| removing empty directories | 12.6 rmdir : Remove empty directories |
| removing files after shredding | 11.6 shred : Remove files more securely |
| removing files or directories | 11.5 rm : Remove files or directories |
| removing files or directories (via the unlink syscall) | 12.7 unlink : Remove files via the unlink syscall |
| removing permissions | 26.2.1 Setting Permissions |
| repeated characters | 9.1.1 Specifying sets of characters |
| repeated output of a string | 15.3 yes : Print a string until interrupted |
| restricted deletion flag | 26.1 Structure of File Permissions |
| restricted shell | 22.5 su : Run a command with substitute user and group id |
| return, ignoring | 19.2.2 Input settings |
| return, translating to newline | 19.2.2 Input settings |
| return, translating to newline | 19.2.3 Output settings |
| reverse sorting | 7.1 sort : Sort text files |
| reverse sorting | 10.1.3 Sorting the output |
| reversing files | 3.2 tac : Concatenate and write files in reverse |
| rm | 11.5 rm : Remove files or directories |
| rmdir | 12.6 rmdir : Remove empty directories |
| rn format for nl | 3.3 nl : Number lines and write files |
| root as default owner | 11.3 install : Copy files and set attributes |
| root directory, running a program in a specified | 22.1 chroot : Run a command with a different root directory |
| root, becoming | 22.5 su : Run a command with substitute user and group id |
| rows | 19.2.7 Special settings |
| rprnt | 19.2.6 Special characters |
| RTS/CTS flow control | 19.2.1 Control settings |
| running a program in a modified environment | 22.2 env : Run a command in a modified environment |
| running a program in a specified root directory | 22.1 chroot : Run a command with a different root directory |
| rz format for nl | 3.3 nl : Number lines and write files |
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