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- Page 3 and 4: 9 dddd (ddddddd) Unix/Linuxdddddddd
- Page 5 and 6: Linuxdddddd Linuxdddddddddddddddddd
- Page 7 and 8: Linuxdd II dddddddddddddddddddLinux
- Page 9 and 10: Linuxdddddddd ddddddddd dddd.ddddd|
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- Page 13 and 14: ddddddd ddddddddXdd dddddsshdtelnet
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- Page 17 and 18: ddddddd ddddd dddddddddd ddddddd dd
- Page 19 and 20: ddddd ddLinux ddddddd ddddddddd ddd
- Page 21 and 22: Linuxdddddddd dd dd / Linuxdddddddd
- Page 23 and 24: dddd dddddddddddddddddddddddddddddd
- Page 25 and 26: ddddddd dddddddddddd ls −lddddddd
- Page 27 and 28: dddd dddddInode/ddddddddddddddddddd
- Page 29 and 30: dddddd lsddddddddd pwddddddddddd cd
- Page 31 and 32: dddddddlsdd ddddddddddddddddddddd $
- Page 33 and 34: dddddddddcd cdddddddddddddddddddddd
- Page 35 and 36: dddddrmdir rmdirddddddddddddddddddd
- Page 37 and 38: ddddddddcp cpdddddddddddddddddddddd
- Page 39 and 40: ddddddddrm rmdddddddd 6 ddddddd rm
- Page 41 and 42: dddddfind findddddddddddddddddddddd
- Page 43 and 44: finddd dd/homedddddd7ddddddddddd $
- Page 45: ddddddddwhich whichdddddddddddddddd
- Page 49 and 50: catdd d catdddddddddddddddddddddddd
- Page 51 and 52: dddddddmore moreddddddddddddddddddd
- Page 53 and 54: dddddddless lessdd moredddddddddddd
- Page 55 and 56: ddddddddddtail taildddddddddddddddd
- Page 57 and 58: dddddddddddcomm commddddddddddddddd
- Page 59 and 60: ddddddddddddiff diffddddddddddddddd
- Page 61 and 62: dddddd chmodddddddddddddd chowndddd
- Page 63 and 64: dd dddd dddddddd user group others
- Page 65 and 66: chmoddd dddfiledddddddddddd $ chmod
- Page 67 and 68: dddddddddchown chownddddddddddddddd
- Page 69 and 70: 9 dddd (ddddddd) Unix/Linuxdddddddd
- Page 71 and 72: dddd dddddddddddddddddd Linux ddddd
- Page 73 and 74: ddddddd dddPIDd ddddPPIDd 201 1 206
- Page 75 and 76: psdd dddddddddddd $ ps −e $ ps
- Page 77 and 78: ddddddpstree pstreeddddddddddddddps
- Page 79 and 80: dddd dddddddddddddd $ ps −f ✞ U
- Page 81 and 82: ddddddddddddfgdbg ddddddd&ddddddddd
- Page 83 and 84: dddddddatedcal dddddddddddddddated
- Page 85 and 86: dddclear clearddddddddddddddddddddd
- Page 87 and 88: dddddddecho ddechoddddddddddddddddd
- Page 89 and 90: LinuxdWindows ddddddddos2unixdunix2
- Page 91 and 92: dddddseq seqddddddddddddddddddddddd
- Page 93 and 94: dddddddtraceroute tracerouteddddddd
- Page 95 and 96: dddddddman manddddddddddddddddddddd
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ddddddddd-help|-hd dddddddddddddddd
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ddddddddf dfddddddddddddddddddddddd
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screendd dddd dd Screendddddddddddd
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screendddddd dddScreendScreendddddd
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ddddddddddlftp lftpdd ftpdddddddddd
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9 dddd (ddddddd) Unix/Linuxdddddddd
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Shelldd Shelldddddddddddddddddddddd
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dddddddddd ddddddd? ddddddd* dddddd
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dddddddd> ddddddcommand < filename
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ddddddd dddddddddddddddddddddddddSh
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˜/.bashrcdd ✞ # ˜/.bashrc : exe
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ddddd`d$() ddd `d$()ddddddddddddddd
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ddddd\ d Cddddd\dShellddddddddddddd
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dddddtestd[ dd testd[dddddddddddddd
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if/then/elif/else/fidd d CddddddShe
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for/do/donedd Shellddd forddddd Cdd
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ddddddddd dddddddddShelldddddd $0 d
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dd d CdddddShellddddddddddddddddddd
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9 dddd (ddddddd) Unix/Linuxdddddddd
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dddd ddd (ddddddd) Unix/Linuxdddddd
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VI/VIMdd VI/VIMddddddddddd dddddddd
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VIMdddd ddddddd ddddddddddddddddddd
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dddd dddddd :helpdhelp keywordddddd
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dddd dddddddddd ddddddddddddddddddd
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dddd dddddddddd rddddddd Rddddddddd
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ddddddd dddddddddd uddddddddddddddd
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dddddvimdiff vim −dddddd vimdiffd
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dddd :mapdddddddddddddddddddddddddd
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VIMdd dddddddd˜/.vimrcddddddVIMddd
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9 dddd (ddddddd) Unix/Linuxdddddddd
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awkdd awkddddddddd ✞ awk '{patter
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seddd d UNIX/LinuxdddddddddddddVIdV
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seddddd ddddddddddddddddddddddddddd
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ddddddgnuplot Gnuplotdddddddddddddd
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ddddddGDL-GNU Data Language dddIDL
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dd dddd ddddd ddBBS Linuxddd http:/
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dddd ddddddddd dddhttp://scc.ustc.e
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