Q&A
Q1: | Is there any way to cause the ls command to display information one page at a time—for example, when showing a long directory listing? |
A1: | You can display information this way by using pipes and the more command, both of which are discussed in Chapter 19, “Performing Basic Shell Tasks.” To pause a long file listing after each page of output, enter
ls -l | more When the output pauses, you can press the spacebar to continue to the next page. |
Q2: | What happens if I take away owning user's write permission from a file that I own? Can I still to write to it? Can I still change the file's permissions (for example, to add write permission for myself back again)? |
A2: | If you remove owning user's write permission from a file that you own, you cannot ... |
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